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Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 00:49, Sep 11

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Fairfield

41

2
The national flag of USA

Cornwall

37

3
The national flag of USA

Plainfield

33

4
The national flag of USA

Danbury

32

5
The national flag of USA

East Haven

32

6
The national flag of USA

Groton

32

7
The national flag of USA

East Hartford

31

8
The national flag of USA

Montville

29

9
The national flag of USA

Greenwich

28

10
The national flag of USA

Trumbull

28

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Cheshire

1

2
The national flag of USA

Waterford town

1

3
The national flag of USA

Woodbury

4

4
The national flag of USA

Colebrook

6

5
The national flag of USA

Simsbury

6

6
The national flag of USA

West Mountain

8

7
The national flag of USA

Oxford

9

8
The national flag of USA

Hebron

10

9
The national flag of USA

Killingly

11

10
The national flag of USA

Essex Village

12

Wildfires in Connecticut

Real-time information

Active fires

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Which is the most polluted city in Connecticut?