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
1The national flag of International Tolland

61

2The national flag of International Stafford

60

3The national flag of International Norwich

59

4The national flag of International Woodbury

58

5The national flag of International East Haven

56

6The national flag of International Hamden

55

7The national flag of International Newtown

55

8The national flag of International Oxford

55

9The national flag of International Ridgefield

55

10The national flag of International Sherman

55

(local time)

SEE WORLD AQI RANKING

AIR QUALITY DATA CONTRIBUTORS

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65 Contributors

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LIVE AQI CITY RANKING

Real-time Connecticut
Cleanest city ranking

#cityUS AQI
1The national flag of International Guilford

23

2The national flag of International Milford

25

3The national flag of International Branford

35

4The national flag of International Groton

40

5The national flag of International Westport

40

6The national flag of International Somers

41

7The national flag of International Stamford

41

8The national flag of International Montville Center

42

9The national flag of International New London

42

10The national flag of International Pomfret Center

42

(local time)

SEE WORLD AQI RANKING

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Connecticut air quality data attribution

65Contributors

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