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Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 17:40, Sep 05

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

New Canaan

90

2
The national flag of USA

Groton

32

3
The national flag of USA

East Hartford

31

4
The national flag of USA

Middletown

30

5
The national flag of USA

East Haven

28

6
The national flag of USA

Danbury

27

7
The national flag of USA

New Haven

26

8
The national flag of USA

Cornwall

25

9
The national flag of USA

Bolton

24

10
The national flag of USA

Fairfield

24

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Waterford town

1

2
The national flag of USA

Redding

2

3
The national flag of USA

Essex Village

3

4
The national flag of USA

Plainfield

3

5
The national flag of USA

Colebrook

4

6
The national flag of USA

Woodbury

6

7
The national flag of USA

Guilford

8

8
The national flag of USA

Oxford

10

9
The national flag of USA

Greenwich

11

10
The national flag of USA

Hebron

11

Wildfires in Connecticut

Real-time information

Active fires

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Which is the most polluted city in Connecticut?