Keene, New Hampshire, USA Air Quality

Monitoring Station · Keene, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 4am
38
38
38 7am
38
38
38 10am
38
36
36 1pm
36
36
36 4pm
36
36
— 7pm
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—
— 10pm
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— 1am
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CAMS model adj +11
25
27
27
27
27
27
27
27
25
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.54.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

25
Keene, New Hampshire, USA
0.0 km PM2.5: 6.0 µg/m³
59
Keene, New Hampshire, USA
0.0 km PM2.5: 15.9 µg/m³

Nearby Cities

19 Keene 23 Gardner 16 Greenfield 22 Fitchburg 34 Leominster 26 Merrimack 20 Amherst Center 20 Amherst 26 Nashua

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T07:43 UTC.