Air quality in Maryland

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Maryland
Most polluted city ranking

#cityUS AQI
1 Hagerstown

55

2 Ballenger Creek

54

3 Brunswick

54

4 Frostburg

54

5 Seat Pleasant

54

6 Keedysville

53

7 Silver Spring

53

8 Thurmont

51

9 Queen Anne

50

10 Forest Heights

49

(local time)

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195 Contributors

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LIVE AQI CITY RANKING

Real-time Maryland
Cleanest city ranking

#cityUS AQI
1 Cambridge

12

2 Colesville

12

3 Riverdale Park

14

4 Brandywine

15

5 Hyattsville

15

6 La Plata

15

7 Beltsville

16

8 Parole

17

9 Derwood

18

10 North Bethesda

18

(local time)

SEE WORLD AQI RANKING

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Maryland air quality data attribution

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