Air quality in New Hampshire

Air quality index (AQI) and PM2.5 air pollution in New Hampshire

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time New Hampshire
Most polluted city ranking

#cityUS AQI
1 West Lebanon

56

2 Alstead

35

3 Chesterfield

35

4 Londonderry

33

5 Rye

33

6 Keene

32

7 Nashua

32

8 North Woodstock

32

9 Peterborough

32

10 Westmoreland

32

(local time)

SEE WORLD AQI RANKING

Air Quality contributors Sources

Data provided by

Contributors

5

Data sources

3

The profile logo of New Hampshire Department of Environmental Services (NHDES)The profile logo of Environmental Protection AgencyThe profile logo of Keene High School (KHS)The profile logo of AirVisualThe profile logo of 17 Anonymous contributorThe profile logo of PurpleAir

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LIVE AQI CITY RANKING

Real-time New Hampshire
Cleanest city ranking

#cityUS AQI
1 Grantham

22

2 Gilford

25

3 Deerfield

26

4 Portsmouth

29

5 Laconia

31

6 Keene

32

7 Nashua

32

8 North Woodstock

32

9 Peterborough

32

10 Westmoreland

32

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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