Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 18:23, Jun 22

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Groton

45

2
The national flag of USA

Trumbull

44

3
The national flag of USA

Lyme

39

4
The national flag of USA

Plainfield

38

5
The national flag of USA

Cornwall

36

6
The national flag of USA

Norwich

36

7
The national flag of USA

Waterbury

36

8
The national flag of USA

Windsor Locks

36

9
The national flag of USA

Fairfield

35

10
The national flag of USA

New Canaan

34

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Canton

7

2
The national flag of USA

Colebrook

8

3
The national flag of USA

Guilford

9

4
The national flag of USA

Cheshire

14

5
The national flag of USA

Milford town

14

6
The national flag of USA

Danbury

17

7
The national flag of USA

Enfield

18

8
The national flag of USA

Woodbury

18

9
The national flag of USA

Oxford

19

10
The national flag of USA

Westport

19

Which is the most polluted city in Connecticut?