WorldArrow icon
Arrow iconConnecticut

Air quality in Connecticut

Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 18:18, Sep 06

Live most polluted city ranking

Real-time Connecticut most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Groton

30

2
The national flag of USA

Plainfield

28

3
The national flag of USA

East Hartford

27

4
The national flag of USA

Middletown

27

5
The national flag of USA

New Haven

27

6
The national flag of USA

Danbury

22

7
The national flag of USA

Simsbury

22

8
The national flag of USA

Cornwall

21

9
The national flag of USA

Trumbull

17

10
The national flag of USA

New Canaan

16

Live cleanest city ranking

Real-time Connecticut cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Redding

0

2
The national flag of USA

Colebrook

1

3
The national flag of USA

Shelton

1

4
The national flag of USA

Oxford

2

5
The national flag of USA

Cheshire

3

6
The national flag of USA

Coventry

3

7
The national flag of USA

Guilford

4

8
The national flag of USA

Hebron

4

9
The national flag of USA

Newtown

4

10
The national flag of USA

Waterford

4

Wildfires in Connecticut

Real-time information

Active fires

--

Which is the most polluted city in Connecticut?