Air quality in Pennsylvania

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Pennsylvania
Most polluted city ranking

#cityUS AQI
1 Biglerville

56

2 Steelton

55

3 Harrisburg

54

4 Hershey

53

5 Camp Hill

52

6 Columbia

47

7 Edgeworth

46

8 New Holland

46

9 Gettysburg

45

10 Lancaster

44

(local time)

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LIVE AQI CITY RANKING

Real-time Pennsylvania
Cleanest city ranking

#cityUS AQI
1 Indiana

0

2 Ford City

1

3 Friedens

1

4 Glenshaw

1

5 Homestead

1

6 Ligonier

1

7 Monessen

1

8 Monroeville

1

9 Munhall

1

10 Upper Saint Clair

1

(local time)

SEE WORLD AQI RANKING

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Hazardous
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Pennsylvania air quality data attribution

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