Air quality in Connecticut

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Connecticut
Most polluted city ranking

#cityUS AQI
1 Wauregan

31

2 Bridgeport

26

3 Windham

24

4 Fairfield

19

5 North Stamford

19

6 Ridgefield

18

7 Stamford

17

8 Old Greenwich

15

9 Trumbull

15

10 Danbury

14

(local time)

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LIVE AQI CITY RANKING

Real-time Connecticut
Cleanest city ranking

#cityUS AQI
1 Hebron

0

2 Torrington

1

3 Winsted

3

4 Pomfret Center

5

5 Guilford

6

6 Sherman

6

7 West Cornwall

7

8 West Torrington

7

9 Westport

7

10 Woodbridge

7

(local time)

SEE WORLD AQI RANKING

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Good
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Hazardous
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How to best protect from air pollution?

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Connecticut air quality data attribution

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