Air quality in Maryland

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

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time Maryland
Most polluted city ranking

#cityUS AQI
1Brooklyn Park

64

2Overlea

62

3Glenn Dale

60

4Lochearn

59

5Green Haven

58

6Churchville

57

7Mount Airy

57

8Highland

55

9Lansdowne

55

10Towson

54

(local time)

SEE WORLD AQI RANKING

Data provided by
12 Anonymous PurpleAir contributors

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LIVE AQI CITY RANKING

Real-time Maryland
Cleanest city ranking

#cityUS AQI
1Charlotte Hall

0

2Frederick

0

3Prince Frederick

0

4Sykesville

0

5Cockeysville

1

6Upper Marlboro

2

7Cambridge

15

8Millington

23

9Laurel

30

10Baltimore

32

(local time)

SEE WORLD AQI RANKING
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Unhealthy for sensitive groups
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