Air quality in USA

Air quality index (AQI) and PM2.5 air pollution in USA

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time USA
Most polluted city ranking

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#cityUS AQI
1 Portola, California

164

2 Coffeyville, Kansas

161

3 Vinita, Oklahoma

154

4 Gridley, California

153

5 Tuolumne City, California

151

6 Bartlesville, Oklahoma

136

7 Copan, Oklahoma

124

8 Driggs, Idaho

120

9 Hot Sulphur Springs, Colorado

118

10 McCloud, California

115

(local time)

SEE WORLD AQI RANKING

Air Quality contributors Sources

Data provided by

Contributors

96

Data sources

52

The profile logo of Environmental Protection AgencyThe profile logo of New York State Department of Environmental Conservation (NYSDEC) The profile logo of Lane Regional Air Protection Agency (LRAPA)The profile logo of AirVisualThe profile logo of California Air Resources Board (CARB)The profile logo of Bay Area Air Quality Management District (BAAQMD)

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LIVE AQI CITY RANKING

Real-time USA
Cleanest city ranking

Tooltip icon
#cityUS AQI
1 Ashburn, Virginia

0

2 Aspinwall, Pennsylvania

0

3 Bangor, Maine

0

4 Bellingham, Massachusetts

0

5 Big Sky, Montana

0

6 Boxborough, Massachusetts

0

7 Brighton Park, Illinois

0

8 Cairo, New York

0

9 Chicopee, Massachusetts

0

10 Clayton, New York

0

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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OVERVIEW

How polluted is USA?

The national flag of USA

2019 Air quality average

Human face indicating AQI level

Good

2019 average US AQI

37

2019  USA cleanest cityKailua-Kona, Hawaii

8

2019  USA most polluted cityPortola, 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?

#COUNTRYPopulationAVG. US AQI
1The national flag of USABangladesh166'368'149

165

2The national flag of USAPakistan200'813'818

156

3The national flag of USAMongolia3'121'772

154

4The national flag of USAAfghanistan36'373'176

153

5The national flag of USAIndia1'354'051'854

152

6The national flag of USAIndonesia266'794'980

141

7The national flag of USABahrain1'566'993

129

8The national flag of USANepal29'624'035

123

9The national flag of USAUzbekistan32'364'996

115

10The national flag of USAIraq39'127'900

111

87The national flag of USAUSA326'766'748

37

SEE DETAIL

How to best protect from air pollution?

Reduce your air pollution exposure in USA

USA air quality data sources

Contributors 96

Data sources 52

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