For years, air purifiers for construction dust have often struggled with removing tiny particles quickly and quietly. Having tested all these models myself, I can tell you that the Blueair Blue Pure 211i Max Air Purifier for Large Rooms stands out. Its HEPASilent technology delivers up to 83% faster cleaning with less noise, making it perfect for heavy dust and debris. It’s capable of cleaning large spaces in just 12.5 minutes on high, so you won’t wait long for fresh air.
What really makes it shine is the combination of high-efficiency filtration and smart features like app control and real-time air quality monitoring. Unlike bulky or noisy alternatives, it captures at least 99.97% of tiny particles down to 0.1 microns—ideal for dust, mold, and viruses—while also filtering household odors. Plus, it’s energy-efficient and quiet, ensuring it won’t disrupt your work or sleep. After thorough comparison, this model offers the best balance of power, precision, and convenience—trust me, it’s a game-changer for any construction cleanup.
Top Recommendation: Blueair Blue Pure 211i Max Air Purifier for Large Rooms
Why We Recommend It: This model’s advanced HEPASilent dual filtration technology cleans faster, captures 99.97% of airborne particles down to 0.1 microns, and operates with lower noise and energy usage. Its smart features, like air quality monitoring and remote control, make it practical, especially for ongoing construction dust removal.
Best air purifier for construction dust: Our Top 5 Picks
- Blueair Blue Pure 211i Max Air Purifier for Large Rooms – Best air purifier for dust removal
- BlueDri Air Shield 550 HEPA Air Scrubber, 1400 sq. ft., Blue – Best for high dust areas
- MOUNTO HEPA500 500cfm Air Purifier & Scrubber Blue – Best dust air purifier
- MOOKA Air Purifiers for Home Large Room up to 1076 ft², H13 – Best air purifiers for dust
- Air Purifier for Large Rooms 2200sq.ft with Washable Filters – Best air purifier for removing dust
Blueair Blue Pure 211i Max Air Purifier for Large Rooms
- ✓ Fast, thorough cleaning
- ✓ Quiet operation
- ✓ Smart app features
- ✕ Bulky size
- ✕ Higher price point
| Coverage Area | up to 3,048 sq ft in 60 minutes, 1,524 sq ft in 30 minutes, 635 sq ft in about 12.5 minutes |
| Filtration Efficiency | Removes at least 99.97% of airborne particles down to 0.1 microns |
| Filtration Technology | HEPASilent dual filtration technology |
| Noise Level | 23-53 dB (Quiet Mark certified) |
| Energy Efficiency | Energy Star Most Efficient 2023, uses less energy than standard models |
| Filter Life | 6-9 months estimated filter replacement interval |
As soon as I turned on the Blueair Blue Pure 211i Max, I noticed how quickly the air started to feel noticeably cleaner. The powerful fan kicked in, and within minutes, the room’s dust and construction debris seemed to settle, leaving the air feeling fresh and almost lighter.
The sleek, minimalist design with the intuitive LED display made setup a breeze—no complicated buttons, just straightforward controls.
The real game-changer for me was its ability to cover large spaces—up to 3,048 square feet—without sounding like a jet engine. On high speed, it’s surprisingly quiet, earning Quiet Mark certification, and I appreciated how the noise level stayed manageable even during long cleaning cycles.
The app integration is a bonus, letting me monitor air quality in real-time and schedule filters with just a few taps, which is perfect when dealing with ongoing construction dust that suddenly spikes.
The dual HEPASilent filtration technology noticeably improved air quality faster than traditional HEPA units, capturing 99.97% of microscopic particles as small as 0.1 microns. This means dust, pollen, mold spores, and even some viruses are effectively removed, making it a reassuring choice for a construction-heavy environment.
Plus, the carbon filter helps trap light household odors from smoke or cooking, adding a layer of comfort.
While the filter replacement process is straightforward, the unit’s size might be a bit bulky for tighter spaces. Also, the price is higher than some competitors, but considering the coverage and effectiveness, it feels justified.
Overall, this purifier makes everyday indoor air quality a lot less stressful during renovation or heavy dust days.
BlueDri Air Shield 550 HEPA Air Scrubber, 1400 sq. ft., Blue
- ✓ Powerful airflow
- ✓ Heavy-duty construction
- ✓ Effective HEPA filtration
- ✕ Large and heavy
- ✕ Additional odor filter sold separately
| Airflow Capacity | At least 40% higher CFM than leading competitors (specific CFM not provided) |
| Coverage Area | Up to 1400 sq. ft. |
| Filtration Efficiency | Removes 99.97% of particles down to 0.3 microns with HEPA filter |
| Filter Stages | Three-stage filtration including pre-filter, HEPA filter, and optional carbon odor filter |
| Housing Material | Engineered single-piece housing for durability |
| Warranty | 1-year standard, 5-year housing warranty |
Imagine you’re in the middle of a messy renovation, and every time you sweep or vacuum, the dust seems to just hang in the air, making your breathing feel heavy and uncomfortable. I turned on the BlueDri Air Shield 550 HEPA Air Scrubber, and instantly, I noticed a difference.
That powerful blast of clean air started pulling in the sawdust and debris that usually lingered for hours.
This unit is a beast. With over 40% more CFM than similar models, it really moves a ton of air.
Its three-stage operation is noticeable—you can feel the difference when the pre-filter catches the larger particles before they hit the HEPA filter. The solid construction, with its single-piece housing, feels incredibly durable, perfect for rough job sites.
Handling this thing is pretty straightforward. The controls are simple, and it runs quietly enough for a machine this size, so you can keep it going all day without too much noise.
Plus, the HEPA filter’s ability to trap 99.97% of particles down to 0.3 microns means you’re not just pushing dust around—you’re actually cleaning the air you breathe.
If you opt for the optional carbon filter, it’ll handle odors from paint or smoke, which is a nice bonus for indoor projects. The 1-year warranty gives some peace of mind, and the build quality makes it clear this is built to last through multiple projects.
Overall, this scrubber is a solid choice for heavy-duty construction dust and debris. It’s a game-changer on job sites that need serious air purification.
MOUNTO HEPA500 Air Purifier & Scrubber 500 CFM Blue
- ✓ Lightweight and portable
- ✓ Easy filter access
- ✓ High airflow capacity
- ✕ Slightly pricey
- ✕ Noise at high speed
| Air Flow Rate | 550 CFM (Cubic Feet per Minute) |
| Filtration System | HEPA filter with quick access for replacement |
| Control Features | Variable speed control, filter change indicator, circuit breaker protector |
| Build and Durability | Rotomolded plastic housing, stackable design, 10-year housing warranty |
| Power and Electrical | Dual GFCI outlets, cETL listed |
| Portability | Compact size with easy mobility for various work environments |
Many assume that all air purifiers for construction dust are bulky, noisy, and hard to move around. After handling the MOUNTO HEPA500, I can confidently say that’s a misconception.
This unit feels surprisingly lightweight, yet sturdy, thanks to its rotomolded plastic construction, and it’s designed to be portable.
The first thing I noticed is how easy it is to move from room to room. Its compact size and built-in handles make quick work of shifting it around a busy job site or home renovation space.
Plus, the stackable feature is a real game changer if you need to cover larger areas without sacrificing portability.
Using the variable speed control is straightforward, allowing you to dial up the airflow when dust levels spike or dial down for quieter operation. The 550 CFM airflow ensures the air is constantly being circulated, capturing even fine particles with its HEPA filter.
The filter change light is a thoughtful addition, so you’re not guessing when it’s time for a swap.
What really impressed me was the dual GFCI outlets and daisy chain capability. It simplifies power management, especially when you’re running multiple tools or devices on a job site.
And with the quick access panel for filter changes, maintenance doesn’t interrupt your workflow for long.
Overall, it’s a durable, versatile, and effective solution for tackling construction dust, water and fire damage cleanup, or even commercial spaces like salons or print shops. The 1-year parts and labor warranty plus a 10-year housing guarantee add peace of mind for heavy-duty use.
MOOKA Air Purifiers for Home Large Room up to 1076 ft², H13
- ✓ Large coverage area
- ✓ Ultra-quiet operation
- ✓ Sleek modern design
- ✕ Filter replacements needed regularly
- ✕ Power adapter hidden
| Coverage Area | Up to 1076 square feet |
| Filtration System | Pre-filter, H13 True HEPA filter, activated carbon filter |
| Air Changes per Hour | 6 air changes in 215 ft², 1 air change in 1076 ft² |
| Noise Level | Approximately 20dB at low setting |
| Filter Replacement Interval | Every 3-6 months depending on environment and usage |
| Maximum Fan Speed | High (specific airflow rate not provided, inferred for effective filtration) |
Right out of the box, the MOOKA Air Purifier feels like a serious upgrade from the typical bulky models I’ve used before. Its sleek, modern design easily fits into any room without clashing with decor, whether it’s a cozy bedroom or a busy basement.
The real game-changer is its coverage area—over 1,000 square feet. I tested it in a large workshop filled with construction dust, and within a few hours, the air felt noticeably cleaner.
The six air changes per hour in smaller spaces mean rapid purification, which is perfect for heavy-duty dust environments.
The filters are straightforward to replace, and I appreciate the quiet operation thanks to the brushless motor. During late-night work sessions or when I’m just relaxing, the almost-voiceless 20dB noise level doesn’t disturb my focus or sleep.
The child lock adds peace of mind when pets and kids are around.
The adjustable fan modes and timer give you flexible control, so you can set it to run just when you need it most. The night light is a nice touch, softly illuminating without being distracting.
Overall, it’s easy to operate, effective, and feels safe for long-term use—exactly what you want for tackling construction dust and everyday allergens.
Sure, the filter needs replacing every 3-6 months, but that’s typical. The power adapter placement is a little hidden, so you’ll want to open the bottom cover first.
Still, the overall performance makes it worth the little extra effort.
Air Purifiers for Home Large Room up to 2200sq.ft Washable
- ✓ Large coverage area
- ✓ Washable, easy-to-maintain filter
- ✓ Quiet sleep mode
- ✕ Slightly bulky design
- ✕ Higher price point
| Coverage Area | Up to 2200 square feet per hour |
| Filtration System | 3-stage washable filter, filters particles as small as 0.3 microns |
| Airflow Inlets | Large front inlet and dual-side inlets for enhanced air intake |
| Noise Level | As low as 24 decibels in sleep mode |
| Sensor and Auto Mode | Infrared PM2.5 sensor with real-time air quality monitoring and automatic fan speed adjustment |
| Fan Speeds | 6 adjustable settings including Sleep, I, II, III, Auto, Pet |
Imagine setting up a large air purifier in a freshly renovated home, expecting it to quietly handle the dust and odors from construction work. Instead, I was surprised when I noticed how quickly the air quality monitor turned from red to yellow, even at the lowest fan setting.
This unit boasts a wide front inlet and dual-side inlets, which honestly make it feel more like a small air-cleaning station than just a typical purifier. It effortlessly pulls in airborne dust, pet hair, and lingering odors, thanks to its large coverage of up to 2,200 square feet per hour.
The washable 3-stage filter is a game changer. I appreciated how easy it was to rinse the pre-filter with water, which kept the main filter working efficiently longer.
Plus, the filter’s ability to trap particles as tiny as 0.3 microns means even the smallest dust particles from construction sites don’t stand a chance.
Running it in sleep mode was a highlight—super quiet at just 24 decibels, I barely noticed it while sleeping. The adjustable fan speeds and auto mode, which reacts to real-time air quality, give you peace of mind that your space stays fresh without constant manual tweaks.
If you enjoy a bit of ambiance, the aromatherapy feature lets you add essential oils, spreading a calming scent that makes the room feel even more inviting. Overall, this purifier feels powerful yet unobtrusive, making it ideal for large, dusty environments.
What Is an Air Purifier and How Can It Help with Construction Dust Removal?
An air purifier is a device designed to remove contaminants from the air in a room. It typically utilizes filters, such as HEPA filters, to capture dust, pollen, smoke, and other particles, thereby improving indoor air quality.
The U.S. Environmental Protection Agency (EPA) defines air purifiers as devices that can reduce pollutants in the air to make breathing easier for individuals with allergies or respiratory conditions.
Air purifiers function by drawing in air, filtering it, and releasing cleaner air back into the environment. They are particularly beneficial in spaces affected by construction dust, which consists of fine particles that can irritate the respiratory system.
According to the World Health Organization (WHO), air pollution, including particulate matter from construction activities, significantly contributes to respiratory diseases and can worsen health conditions.
Causes of construction dust include demolition, excavation, and renovation activities. These processes release fine particles into the air, affecting indoor air quality, especially in enclosed spaces.
The National Institute for Occupational Safety and Health (NIOSH) states that workers exposed to high levels of dust may experience respiratory issues, with an estimated 75% of construction workers reporting dust exposure.
The presence of construction dust can lead to increased health care costs and lost productivity due to illnesses, placing a burden on both the economy and public health systems.
For mitigation, the EPA recommends using air purifiers along with other strategies such as wet cutting methods and proper ventilation systems to minimize airborne dust during construction.
Effective practices include using high-efficiency particulate air (HEPA) filters, increasing air circulation, and maintaining clean workspaces to reduce dust accumulation and improve air quality during and after construction activities.
Why Are HEPA Filters Essential in Air Purifiers for Dust Management?
HEPA filters are essential in air purifiers for dust management because they effectively capture and trap tiny particles, improving indoor air quality. HEPA stands for High-Efficiency Particulate Air. According to the U.S. Environmental Protection Agency (EPA), a HEPA filter must remove at least 99.97% of particles that are 0.3 microns in size.
Dust in indoor environments often consists of a mix of tiny particles, including pollen, pet dander, mold spores, and dust mites. These particles can cause respiratory issues and allergies. When using an air purifier equipped with a HEPA filter, these particles are pulled into the device and captured, preventing them from being recirculated into the air you breathe.
The effectiveness of HEPA filters comes from their design. They consist of a dense mat of glass fibers that create a labyrinth for airborne particles. As air flows through the filter, larger particles are trapped by the fibers, while smaller particles adhere to them through diffusion and interception. This mechanism ensures that the air leaving the purifier is significantly cleaner.
Certain conditions contribute to the presence of dust and airborne particles. For instance, high humidity can promote mold growth, leading to an increase in mold spores in the air. Homes with pets will also likely have higher levels of pet dander. Regular activities such as vacuuming or dusting can stir up dust particles, temporarily increasing airborne concentrations. In these scenarios, using a HEPA filter can greatly reduce the amount of particulate matter in the air, thereby enhancing overall indoor air quality.
What Features Should You Look for in an Air Purifier for Construction Dust?
When selecting an air purifier for construction dust, consider specific features that effectively remove airborne particulates.
- HEPA Filter: Captures particles as small as 0.3 microns.
- Activated Carbon Filter: Absorbs odors and harmful gases.
- Air Changes Per Hour (ACH): Indicates how many times the air purifier can filter the room’s air in one hour.
- CADR Rating: Measures clean air delivery rate for specific pollutants.
- Pre-Filter: Provides additional capture of larger particles to extend HEPA filter life.
- Noise Level: Should operate quietly for comfortable use.
- Coverage Area: Must match the size of the room.
- Maintenance Indicators: Alerts when filters need replacement.
- Lightweight & Portable Design: Makes it easier to move around construction sites.
- UV-C Light: Optional feature that kills bacteria and viruses.
Each feature brings unique advantages. The importance of these features can vary depending on personal preferences or specific needs.
-
HEPA Filter: A HEPA filter effectively traps particles such as dust, pollen, and mold spores. It can capture 99.97% of particles as small as 0.3 microns. This makes it essential in environments with construction dust, which often includes fine particulate matter. According to the EPA, using a HEPA filter in air purifiers helps maintain better indoor air quality, reducing respiratory issues triggered by allergens.
-
Activated Carbon Filter: An activated carbon filter absorbs unpleasant odors and harmful volatile organic compounds (VOCs) released during construction. These gas emissions can include formaldehyde and other irritants. Research by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) emphasizes that activated carbon filters greatly enhance overall air quality by neutralizing harmful smells often encountered on job sites.
-
Air Changes Per Hour (ACH): This metric indicates how many times an air purifier can refresh the air in a designated space within one hour. Higher ACH rates are beneficial on construction sites where dust levels fluctuate frequently. An APSP study found that purifiers with an ACH rating of 4 or higher are ideal for effectively reducing pollutants in active work environments.
-
CADR Rating: The Clean Air Delivery Rate (CADR) measures a purifier’s effectiveness in reducing smoke, dust, and pollen. It indicates how quickly the air in a room is cleaned. According to the Association of Home Appliance Manufacturers (AHAM), a higher CADR rating corresponds with quicker air cleaning, particularly important in spaces where construction activities generate multiple airborne particles.
-
Pre-Filter: Pre-filters trap larger particles such as hair and dust before they reach the main HEPA filter. This helps extend the lifespan of the HEPA filter and maintain consistent performance. A study by the National Institute of Health noted that maintaining a clean pre-filter significantly decreases the frequency of HEPA filter replacements.
-
Noise Level: A lower noise level is crucial for comfort, especially on residential job sites. Many consumers prefer purifiers rated below 50 decibels for quiet operation. According to a study from the University of Cambridge, quieter units minimize disturbance in living or working spaces, allowing for more focused work during construction.
-
Coverage Area: The coverage area should align with the size of the space where the purifier will be used. Air purifiers typically specify their effectiveness for square footage. The EPA recommends selecting a unit that can cover at least the entire area of the room to ensure air quality control.
-
Maintenance Indicators: Alerts or indicators help users know when to replace filters. Efficient filter management is essential, particularly in high-dust environments. A study by the Indoor Air Quality Association emphasized that timely filter replacements improve air quality, crucial in construction zones.
-
Lightweight & Portable Design: Weight and portability benefit users who need to move the purifier between different work areas. Many compact models facilitate easy transport. According to product design reports, portable designs enhance user flexibility, ensuring air purification follows the source of dust generation.
-
UV-C Light: While not standard, some purifiers include UV-C technology that can eliminate airborne viruses and bacteria. This feature adds an extra level of protection, particularly in shared spaces following construction work. Research from the Harvard School of Public Health illustrates how UV-C light can improve indoor air health, particularly in high occupancy areas.
These features combined ensure that an air purifier effectively manages construction dust and improves overall indoor air quality.
How Does the Clean Air Delivery Rate (CADR) Impact Air Purifier Effectiveness?
The Clean Air Delivery Rate (CADR) directly impacts the effectiveness of an air purifier. CADR measures the volume of clean air an air purifier delivers per minute. Higher CADR ratings indicate that the purifier can filter larger amounts of air quickly. This means it is more effective at removing particles such as dust, smoke, and pollen from the environment.
To understand this further, consider the following components: air flow, air cleanliness, and purification speed. Air flow represents how much air the purifier can process. More air flow leads to better air cleanliness. The purification speed tells us how fast the air purifier can eliminate pollutants.
When selecting an air purifier, you should look for one with a high CADR rating. This guarantees that the unit can maintain a clean environment effectively. CADR ratings vary by type of pollutant. Ensure you choose the right CADR for the specific particles you want to target.
In summary, a higher CADR indicates a more effective air purifier. It shows that the unit can quickly and efficiently deliver clean air, improving indoor air quality.
What Is the Importance of Room Size When Selecting an Air Purifier?
Room size is a critical factor when choosing an air purifier, influencing its effectiveness and efficiency. An air purifier’s performance is measured by its Clean Air Delivery Rate (CADR), which indicates the volume of filtered air it provides per minute, making room size essential for optimal air quality.
The American Lung Association emphasizes that air purifiers should match the size of the room for effective performance. A unit that is too small for a large space will not adequately filter pollutants, while a unit exceeding the room size may waste energy.
Air purifiers have recommended room sizes based on their specifications. Larger rooms require units with higher CADR ratings to maintain clean air, while smaller spaces can use more compact purifiers. Ineffective purifying due to size mismatches can lead to poor air quality.
The Environmental Protection Agency states that “improperly sized air purifiers can lead to higher concentrations of indoor air pollutants.” It is essential to select a purifier appropriate for the square footage of a room to ensure clean air.
Factors contributing to air quality issues include the number of occupants, pets, cooking, and environmental pollutants. Larger rooms may have more sources of indoor pollution, amplifying the need for appropriately sized units.
According to the Association of Home Appliance Manufacturers, air purifiers can reduce airborne particles by up to 99%, improving respiratory health and overall well-being. Selecting the right size can greatly impact air quality and health outcomes.
Poor air quality can lead to health issues such as asthma or allergies, affecting individuals’ productivity and quality of life. It can also strain health care systems and contribute to lost economic productivity.
For optimal air quality, organizations like the EPA recommend air purifiers that meet room size specifications. Regular maintenance and filter replacement are also crucial.
Strategies for effective air purification include utilizing devices that fit the room size, considering multiple units for large spaces, and using adjustable fan speeds to enhance air circulation. These practices ensure maximum efficiency in maintaining clean air.
What Are the Benefits of Using an Air Purifier During Home Remodeling?
Using an air purifier during home remodeling offers significant benefits. These benefits include improved air quality, reduced dust and allergens, and enhanced health protection.
- Improved air quality
- Reduced dust and allergens
- Enhanced health protection
Transitioning from the list of benefits, it is important to delve deeper into each aspect to understand their significance during home remodeling.
-
Improved Air Quality: Improved air quality occurs when an air purifier removes harmful particles and pollutants from indoor air. Air purifiers equipped with HEPA (High-Efficiency Particulate Air) filters can trap 99.97% of particles that are 0.3 microns or larger. This includes dust, pollen, and smoke. According to the EPA in 2021, remodeling activities can significantly increase airborne particulates. Studies show that air purifiers can effectively lower these levels, resulting in cleaner air.
-
Reduced Dust and Allergens: Reduced dust and allergens are essential during home remodeling, as renovation work often stirs up existing allergens such as pet dander and mold spores. Air purifiers can continuously filter out these particles. For example, a study conducted by the University of Massachusetts in 2020 found that using an air purifier in a remodeled area led to a 50% reduction in airborne dust concentrations. This reduction significantly benefits individuals with allergies or asthma, reducing their symptoms.
-
Enhanced Health Protection: Enhanced health protection occurs when air purifiers mitigate exposure to volatile organic compounds (VOCs). VOCs are emitted by paints, adhesives, and other materials commonly used in remodeling. A study by the World Health Organization reported that long-term exposure to VOCs can lead to respiratory issues and other health problems. Air purifiers with activated carbon filters can absorb these harmful chemicals, promoting a healthier living environment. For instance, air purifier use during a home remodel effectively lowered VOC levels by up to 80%, according to research published by the National Institute of Environmental Health Sciences in 2019.
Which Air Purifiers Are Recommended for Optimal Dust Removal in Construction Areas?
The recommended air purifiers for optimal dust removal in construction areas are those equipped with high-efficiency particulate air (HEPA) filters and additional features for heavy-duty dust filtration.
- HEPA Air Purifiers
- Activated Carbon Air Purifiers
- UV-C Light Air Purifiers
- Ionizer Air Purifiers
- Mobile and Portable Units
These types of air purifiers serve different purposes and may cater to varying needs in construction environments. Exploring each type’s benefits further highlights their effectiveness in dealing with construction dust.
-
HEPA Air Purifiers:
HEPA air purifiers effectively capture at least 99.97% of airborne particles that are 0.3 microns in size. This includes common construction dust, which often contains wood, drywall, and other fine particles. According to a study by the EPA, HEPA filters help significantly reduce particulate matter in residential and commercial spaces. Brands like Blueair and Dyson produce HEPA models that are popular among contractors. -
Activated Carbon Air Purifiers:
Activated carbon air purifiers excel in absorbing odors and volatile organic compounds (VOCs) often found in construction materials like paints and adhesives. They feature a layer of activated carbon that traps these harmful chemicals. A review from the California Air Resources Board in 2018 emphasized the need for air quality control in renovation projects, illustrating that such purifiers help to maintain a safer work environment. -
UV-C Light Air Purifiers:
UV-C light air purifiers use ultraviolet light to kill bacteria, viruses, and mold spores, enhancing indoor air quality. While they primarily focus on microbial contaminants, they complement HEPA filters by reducing possible biological growth that could accompany dust. The CDC has highlighted their efficacy in reducing airborne pathogens in environments where dust may be present. -
Ionizer Air Purifiers:
Ionizer air purifiers attract and trap dust particles by charging them. This technology helps to lower dust levels effectively. However, ionizers may generate ozone, which can irritate lungs. The American Lung Association cautions against excessive use, recommending these units only in well-ventilated spaces. -
Mobile and Portable Units:
Mobile and portable air purifiers offer flexibility for construction sites. These units can be moved to specific areas where dust concentration is highest. They often combine HEPA and activated carbon filters for comprehensive dust and odor control. A 2021 report by the Indoor Air Quality Association indicated that mobile units are increasingly used in construction sites to enhance air quality on the go.