WorldArrow icon
Arrow iconConnecticut

Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 02:32, Sep 11

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Coventry

57

2
The national flag of USA

Cornwall

37

3
The national flag of USA

East Hartford

31

4
The national flag of USA

Groton

26

5
The national flag of USA

Waterbury

26

6
The national flag of USA

Fairfield

25

7
The national flag of USA

Branford

24

8
The national flag of USA

Hartford

24

9
The national flag of USA

New Haven

21

10
The national flag of USA

Middletown

20

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Cheshire

1

2
The national flag of USA

Waterford town

1

3
The national flag of USA

Colebrook

2

4
The national flag of USA

West Mountain

2

5
The national flag of USA

Guilford

4

6
The national flag of USA

Hebron

4

7
The national flag of USA

Oxford

5

8
The national flag of USA

Simsbury

6

9
The national flag of USA

Milford town

7

10
The national flag of USA

Enfield

8

Wildfires in Connecticut

Real-time information

Active fires

--

Which is the most polluted city in Connecticut?