Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 04:47, May 20

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Quinnipiac University

69

2
The national flag of USA

Waterford

66

3
The national flag of USA

Lyme

64

4
The national flag of USA

Canterbury

62

5
The national flag of USA

Clinton

61

6
The national flag of USA

Groton

61

7
The national flag of USA

Deep River Center

60

8
The national flag of USA

New London

60

9
The national flag of USA

Windsor Locks

60

10
The national flag of USA

Branford

59

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Canton

16

2
The national flag of USA

Riverton

20

3
The national flag of USA

Cheshire

28

4
The national flag of USA

Greenwich

33

5
The national flag of USA

Sherman

38

6
The national flag of USA

Tolland

39

7
The national flag of USA

Newtown

41

8
The national flag of USA

New Milford

42

9
The national flag of USA

Western Connecticut

43

10
The national flag of USA

Oxford

44

Which is the most polluted city in Connecticut?