Air quality in New Hampshire

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time New Hampshire
Most polluted city ranking

#cityUS AQI
1 Keene

17

2 Effingham

14

3 Chesterfield

8

4 West Lebanon

8

5 Deerfield

6

6 Littleton

6

7 Londonderry

5

8 Peterborough

5

9 Portsmouth

5

10 Barnstead

4

(local time)

SEE WORLD AQI RANKING

AIR QUALITY DATA CONTRIBUTORS

41 Stations operated by

36 Contributors

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LIVE AQI CITY RANKING

Real-time New Hampshire
Cleanest city ranking

#cityUS AQI
1 Barrington

0

2 Conway

0

3 Hanover

0

4 Meredith

0

5 Sandwich

0

6 Wilton

0

7 Laconia

2

8 Troy

3

9 Barnstead

4

10 Brentwood

4

(local time)

SEE WORLD AQI RANKING

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Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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How to best protect from air pollution?

Reduce your air pollution exposure in New Hampshire

New Hampshire air quality data attribution

36Contributors

    Non-profit organization Contributor

  • IQAir AirVisual logo
    water1998

    1 station

    2 Individual Contributors

  • IQAir AirVisual logo
    bladd

    1 station

  • IQAir AirVisual logo
    S W

    1 station

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