WorldArrow icon
Arrow iconConnecticut

Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:44, Oct 18

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

New Canaan

334

2
The national flag of USA

Coventry

56

3
The national flag of USA

Winchester

55

4
The national flag of USA

Cornwall

32

5
The national flag of USA

Montville

31

6
The national flag of USA

Shelton

28

7
The national flag of USA

Lebanon

27

8
The national flag of USA

New Haven

27

9
The national flag of USA

Canterbury

26

10
The national flag of USA

Trumbull

24

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Old Saybrook

0

2
The national flag of USA

Redding

2

3
The national flag of USA

Killingly

6

4
The national flag of USA

Simsbury

6

5
The national flag of USA

Danbury

8

6
The national flag of USA

Groton

8

7
The national flag of USA

Waterbury

8

8
The national flag of USA

Waterford

9

9
The national flag of USA

Colebrook

10

10
The national flag of USA

Milford town

11

Wildfires in Connecticut

Real-time information

Active fires

--

Which is the most polluted city in Connecticut?