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Compare state risk

Which states have the highest AQI risk?

State-by-state AQI comparison using the latest AirNow surface and state city samples.

Rankings use current state-level risk scores and refresh as new weather data is ingested.

Other comparisons

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Ranked states

Top 20 by aqi score.

#1

33/100
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#2

31/100
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#3

30/100
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#4

30/100
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#5

30/100
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#6

29/100
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#7

28/100
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#8

28/100
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#9

27/100
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#10

27/100
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#11

26/100
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#12

26/100
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#13

26/100
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#14

25/100
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#15

25/100
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#16

24/100
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#17

24/100
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#18

24/100
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#19

24/100
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#20

23/100
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Opposite end of ranking

Utah

AQI score: 15/100

Vermont

AQI score: 18/100

Maine

AQI score: 18/100

South Carolina

AQI score: 19/100

Oregon

AQI score: 19/100

New Hampshire

AQI score: 19/100

West Virginia

AQI score: 20/100

Tennessee

AQI score: 20/100

North Carolina

AQI score: 20/100

Massachusetts

AQI score: 20/100