Air quality in Washington

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Washington
Most polluted city ranking

#cityUS AQI
1 Ashford

34

2 Metaline

30

3 Wilderness Rim

29

4 Seattle

25

5 Custer

24

6 Kahlotus

22

7 Clarkston

20

8 Coulee Dam

20

9 West Valley

20

10 Pomeroy

18

(local time)

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LIVE AQI CITY RANKING

Real-time Washington
Cleanest city ranking

#cityUS AQI
1 Addy

0

2 Grays Harbor

0

3 Orondo

0

4 Otis Orchards-East Farms

0

5 Palouse

0

6 Tenino

0

7 Veradale

0

8 Wellpinit

0

9 Mason

1

10 Mattawa

1

(local time)

SEE WORLD AQI RANKING

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Hazardous
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Washington air quality data attribution

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