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

03:38, Apr 7 (local time)

Good

Moderate

Unhealthy for sensitive groups

Unhealthy

Very unhealthy

Hazardous

USA AQI Ranking

US AQI

PM2.5

#MAJOR CITYUS AQI

1

186

2

186

3

186

4

186

5

182

6

182

7

182

8

182

9

182

10

176

SEE WORLD AQI RANKING

Most polluted cities

See a ranking of 2019’s most polluted cities.

Most polluted countries

See a ranking of 2019’s most polluted countries.

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