Air quality in New Hampshire

Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 04:54, Jun 12

1 stations sponsored by The Foundation for Clean Air
1 stations sponsored by The Foundation for Clean Air

Live most polluted city ranking

Real-time New Hampshire most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Peterborough

77

2
The national flag of USA

Portsmouth

60

3
The national flag of USA

Brentwood

56

4
The national flag of USA

Dover

55

5
The national flag of USA

Barrington

54

6
The national flag of USA

Effingham

53

7
The national flag of USA

Hooksett

53

8
The national flag of USA

Chesterfield

51

9
The national flag of USA

Nashua

51

10
The national flag of USA

Manchester

48

Live cleanest city ranking

Real-time New Hampshire cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Northumberland

13

2
The national flag of USA

Sandwich

19

3
The national flag of USA

Conway

21

4
The national flag of USA

Randolph

21

5
The national flag of USA

Woodstock

22

6
The national flag of USA

Franconia

25

7
The national flag of USA

Grafton County

26

8
The national flag of USA

Amherst

28

9
The national flag of USA

Center Harbor

28

10
The national flag of USA

Alstead

29

Which is the most polluted city in New Hampshire?