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

#cityUS AQI
1 Altamont, Oregon

282

2 Universal City, California

163

3 McCloud, California

156

4 Bakersfield, California

153

5 Rosedale, California

152

6 Shafter, California

152

7 Greenacres, California

144

8 Calexico, California

140

9 Kern, California

135

10 West Park, California

135

(local time)

SEE WORLD AQI RANKING

Air Quality contributors Sources

Data provided by

Contributors

101

Data sources

59

Get your own sensor to measure air quality by yourself and join the movement.

Become a contributor
Find out more about contributors and data sources

LIVE AQI CITY RANKING

Real-time USA
Cleanest city ranking

#cityUS AQI
1 Aberdeen, Maryland

0

2 Angier, North Carolina

0

3 Bar Harbor, Maine

0

4 Barrow, Alaska

0

5 Bernardsville, New Jersey

0

6 Blairsville, Georgia

0

7 Burlington, Washington

0

8 Chamberlayne, Virginia

0

9 Chase City, Virginia

0

10 Chesterfield, Virginia

0

(local time)

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

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 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
1Bangladesh166'368'149

165

2Pakistan200'813'818

156

3Mongolia3'121'772

154

4Afghanistan36'373'176

153

5India1'354'051'854

152

6Indonesia266'794'980

141

7Bahrain1'566'993

129

8Nepal29'624'035

123

9Uzbekistan32'364'996

115

10Iraq39'127'900

111

87USA326'766'748

37

SEE DETAIL

How to best protect from air pollution?

Reduce your air pollution exposure in USA

USA air quality data sources

Contributors 101

Data sources 59