Air quality in Maine

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Maine
Most polluted city ranking

#city US AQI
1 Madawaska

70

2 Rumford

63

3 Lewiston

59

4 South Portland

59

5 Kittery

57

6 Portland

44

7 Bar Harbor

33

8 Cape Elizabeth

33

9 Presque Isle

27

10 Hallowell

26

(local time)

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Air Quality Data contributor(s)

Station(s) operated by

Contributors

19

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LIVE AQI CITY RANKING

Real-time Maine
Cleanest city ranking

#city US AQI
1 Caribou

0

2 Kennebunk

7

3 Washington

7

4 Mexico

10

5 Fryeburg

13

6 Surry

13

7 Saint George

14

8 Bangor

18

9 North Windham

18

10 Hallowell

26

(local time)

SEE WORLD AQI RANKING
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Unhealthy for sensitive groups
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How to best protect from air pollution?

Reduce your air pollution exposure in Maine

Maine air quality data attribution

Contributors 19

Which is the most polluted city in Maine?

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