WorldArrow icon
Arrow iconConnecticut

Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 02:55, Sep 05

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Coventry

52

2
The national flag of USA

Simsbury

44

3
The national flag of USA

Hamden

39

4
The national flag of USA

Killingly

39

5
The national flag of USA

Waterbury

39

6
The national flag of USA

Fairfield

35

7
The national flag of USA

Mansfield

34

8
The national flag of USA

Montville

33

9
The national flag of USA

Old Saybrook

33

10
The national flag of USA

Hartford

32

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

Colebrook

5

3
The national flag of USA

West Mountain

9

4
The national flag of USA

Enfield

11

5
The national flag of USA

Milford town

13

6
The national flag of USA

Guilford

16

7
The national flag of USA

Plainfield

16

8
The national flag of USA

Woodbury

16

9
The national flag of USA

Oxford

17

10
The national flag of USA

Waterford

17

Wildfires in Connecticut

Real-time information

Active fires

--

Which is the most polluted city in Connecticut?