Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 01:35, Jul 25

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Lebanon

78

2
The national flag of USA

Plainfield

51

3
The national flag of USA

Coventry

47

4
The national flag of USA

Hartford

43

5
The national flag of USA

Cornwall

42

6
The national flag of USA

Hamden

39

7
The national flag of USA

Simsbury

39

8
The national flag of USA

Trumbull

39

9
The national flag of USA

Waterbury

37

10
The national flag of USA

Groton

36

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Cheshire

3

2
The national flag of USA

Waterford town

3

3
The national flag of USA

Colebrook

9

4
The national flag of USA

Milford town

9

5
The national flag of USA

West Mountain

10

6
The national flag of USA

Canton

11

7
The national flag of USA

Guilford

13

8
The national flag of USA

Woodbury

16

9
The national flag of USA

Branford

17

10
The national flag of USA

Greenwich

17

Which is the most polluted city in Connecticut?