WorldArrow icon
Arrow iconNew Hampshire

Air quality in New Hampshire

Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 11:59, Jun 13

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

83

2
The national flag of USA

Portsmouth

48

3
The national flag of USA

Londonderry

45

4
The national flag of USA

Nashua

45

5
The national flag of USA

Laconia

42

6
The national flag of USA

Keene

40

7
The national flag of USA

Woodstock

39

8
The national flag of USA

Campton

26

9
The national flag of USA

Canterbury

24

10
The national flag of USA

Grafton County

24

Live cleanest city ranking

Real-time New Hampshire cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Effingham

6

2
The national flag of USA

Hooksett

6

3
The national flag of USA

Alstead

14

4
The national flag of USA

Brookline

16

5
The national flag of USA

Dover

16

6
The national flag of USA

Chesterfield

17

7
The national flag of USA

Conway

17

8
The national flag of USA

Gilford

17

9
The national flag of USA

Newton

17

10
The national flag of USA

Brentwood

18

external link icon

Wildfire map spotlight: Bear Fire, New Mexico

external link icon

Wildfire Map Spotlight: South Fork Fire, Nebraska

Flames burn through a dense forest of towering trees.
external link icon

Wildfire map spotlight: Raven Creek Fire, Wyoming, USA