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Air quality in New Hampshire

Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 00:32, Oct 30

Live most polluted city ranking

Real-time New Hampshire most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Grafton County

55

2
The national flag of USA

Keene

55

3
The national flag of USA

Amherst

52

4
The national flag of USA

Canterbury

50

5
The national flag of USA

Gilford

49

6
The national flag of USA

Sutton

49

7
The national flag of USA

Laconia

47

8
The national flag of USA

Pittsburg

47

9
The national flag of USA

Campton

46

10
The national flag of USA

Hillsborough

46

Live cleanest city ranking

Real-time New Hampshire cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Hampton Falls

19

2
The national flag of USA

Salem

19

3
The national flag of USA

Barrington

21

4
The national flag of USA

Conway

28

5
The national flag of USA

Newton

31

6
The national flag of USA

Nashua

34

7
The national flag of USA

Effingham

35

8
The national flag of USA

Londonderry

35

9
The national flag of USA

Portsmouth

35

10
The national flag of USA

Dover

36

Wildfires in New Hampshire

Real-time information

Active fires

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Which is the most polluted city in New Hampshire?