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Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 11:55, Sep 01

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

New Canaan

111

2
The national flag of USA

Plainfield

73

3
The national flag of USA

Greenwich

71

4
The national flag of USA

Hamden

55

5
The national flag of USA

Fairfield

45

6
The national flag of USA

Bridgeport

41

7
The national flag of USA

Westport

38

8
The national flag of USA

Trumbull

36

9
The national flag of USA

Woodbury

36

10
The national flag of USA

Groton

34

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Colebrook

0

2
The national flag of USA

Enfield

0

3
The national flag of USA

Cheshire

1

4
The national flag of USA

Killingworth

7

5
The national flag of USA

Tolland

7

6
The national flag of USA

Guilford

10

7
The national flag of USA

Canterbury

11

8
The national flag of USA

Lyme

11

9
The national flag of USA

Old Saybrook

11

10
The national flag of USA

Simsbury

11

Wildfires in Connecticut

Real-time information

Active fires

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Which is the most polluted city in Connecticut?