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Air quality in USA
Air quality index (AQI) and PM2.5 air pollution in USA
LIVE AQI CITY RANKING
Real-time USA
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Union | 190 |
| 2 | Mojave | 156 |
| 3 | Gothic | 153 |
| 4 | Orleans | 142 |
| 5 | Idaho City | 141 |
| 6 | Snowmass Village | 141 |
| 7 | Susanville | 139 |
| 8 | Aspen | 122 |
| 9 | Avon | 113 |
| 10 | Welby | 112 |
(local time)
SEE WORLD AQI RANKINGData provided by
1937 sources
LIVE AQI CITY RANKING
Real-time USA
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Angels Camp | 0 |
| 2 | Charlotte Hall | 0 |
| 3 | Colusa | 0 |
| 4 | Dunkirk | 0 |
| 5 | Eldridge | 0 |
| 6 | Fernley | 0 |
| 7 | Frederick | 0 |
| 8 | Galveston | 0 |
| 9 | Italy | 0 |
| 10 | Kailua Kona | 0 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
OVERVIEW
How polluted is USA?
2019 Air quality average
Good
2019 average US AQI
37
!
PM2.5
x0
PM2.5 concentration in USA in 2019 was 0 times above WHO exposure recommendation
| 2019 USA cleanest city | Kailua-Kona, Hawaii 8 |
| 2019 USA most polluted city | Portola, California 61 |
2019 aqi country ranking
How does USA rank globally in air pollution?
87/ 98 countries ranked in 2019
Which country had the worst air quality in 2019?
| # | COUNTRY | Population | AVG. US AQI |
|---|---|---|---|
| 1 |  Bangladesh | 166'368'149 | 165 |
| 2 |  Pakistan | 200'813'818 | 156 |
| 3 |  Mongolia | 3'121'772 | 154 |
| 4 |  Afghanistan | 36'373'176 | 153 |
| 5 |  India | 1'354'051'854 | 152 |
| 6 |  Indonesia | 266'794'980 | 141 |
| 7 |  Bahrain | 1'566'993 | 129 |
| 8 |  Nepal | 29'624'035 | 123 |
| 9 |  Uzbekistan | 32'364'996 | 115 |
| 10 |  Iraq | 39'127'900 | 111 |
| 87 | USA | 326'766'748 | 37 |
How to best protect from air pollution?
Community Contributors
48 Contributors
- Utopia Fiber
- Air Alliance Houston
- Air Pollution Control District
- Air Quality Management District
-
Climate First: Replacing Oil and Gas 
Coalition for Clean Air - Bike San Gabriel Valley
NASA’s Jet Propulsion Laboratory 
Carnegie Mellon University - Campbell University
University of California Riverside 
Clean Air Carolina - El Dorado County Air Quality Management District
Eastern Research Group 
Feather River Air Quality Management District - Great Basin Unified Air Pollution Control District
Harvard Business School 
IQAir 
Indiana University
MORE
51 Other Sources
- Department of Environmental Conservation
- Data validated and calibrated by AirVisual
- Sensor By PurpleAir
- Virginia Department of Environmental Quality
- California Air Resources Board
- Sensor By AirVisual
- Florida Departement of Environmental Protection
Alaska Department of Environmental Conservation- Michigan Department of Environmental Quality
- Department of Environmental Protection of Pennsylvania
- ADEQ Arizona Department of Environment Quality
- Clean Air Partners
- Washington's Air Monitoring Network
- Ohio Environmental Protection Agency
- San Diego Air Pollution Control District
- Department of Environmental Protection
- Indiana Department of Environmental Management
- New Mexico Environment Department
- Minnesota Pollution Control Agency
- Texas Commission on Environmental Quality
- Metropolitan Wahington Council of Governments
- Sacremento Region - Spare The Air
- Wisconsin Department of Natural Resources
- South Dakota Department of Environment & Natural Resources
- San Joaquin Valley Air Pollution Control District
- Maine Gov - USA
- Maine Department of Environmental Protection
- Louisiana Department of Environmental Quality
- Delaware Department of Natural Resources and Environmental Control (DNREC)
- North Carolina Department of Environmental Quality
- Bay Area Air Quality Management District
- Idaho Air Quality
- Massachusetts Department of Environmental Protection
- Wyoming Department of Environmental Quality
- Clark County Departement of Air Quality
- Imperial County Air Pollution Control District
- Maricopa County Air Monitoring Division
- State Hygienic Laboratory at the University of Iowa
- Louisville Air Pollution Control District
Nevada Division of Environment Protection- South Coast Air Quality Management District
- Air Pollution Control Bureau
- Pima Country Environmental Quality - Envista
- Office of Environmental Assistance and Protection, Forsyth County
- New Hampshire Department of Environmental Services
- Oklahoma Department of Environmental Quality
- Lane Regional Air Protection Agency
Envista - Pima County- Hawaii State Department of Health
- Instituto Nacional de Ecologia y Cambio Climatico
- USU - Utah State University
Which is the most polluted state in USA?
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Guam
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- Washington, D.C.
- West Virginia
- Wisconsin
- Wyoming
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