WorldArrow icon
Arrow iconNew Hampshire

Air quality in New Hampshire

Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 00:33, Sep 28

Live most polluted city ranking

Real-time New Hampshire most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Portsmouth

31

2
The national flag of USA

Effingham

27

3
The national flag of USA

Hooksett

27

4
The national flag of USA

Dover

14

5
The national flag of USA

Bethlehem

8

6
The national flag of USA

Pittsburg

8

7
The national flag of USA

Franconia

7

8
The national flag of USA

Grafton County

7

9
The national flag of USA

Hanover

7

10
The national flag of USA

Manchester

6

Live cleanest city ranking

Real-time New Hampshire cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Barrington

0

2
The national flag of USA

Canterbury

0

3
The national flag of USA

Gilford

0

4
The national flag of USA

Meredith

0

5
The national flag of USA

Pelham

0

6
The national flag of USA

Randolph

0

7
The national flag of USA

Laconia

1

8
The national flag of USA

Londonderry

1

9
The national flag of USA

Sandwich

1

10
The national flag of USA

Conway

2

Wildfires in New Hampshire

Real-time information

Active fires

--

Which is the most polluted city in New Hampshire?