Portsmouth, New Hampshire, USA Air Quality

Monitoring Station · Amesbury, United States
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
33 5am
33
33
33 8am
40
40
40 11am
40
31
33 2pm
33
33
33 5pm
33
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— 8pm
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— 11pm
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— 2am
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CAMS model adj +6
27
27
27
27
34
34
34
34
25
27
27
27
27
27

Air Quality Forecast (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

19
Portsmouth, New Hampshire, USA
0.0 km PM2.5: 4.6 µg/m³

Nearby Cities

23 Amesbury 18 Newburyport 23 Haverhill 26 Derry Village 20 Gloucester 26 Derry 22 Biddeford 23 North Andover 23 Methuen

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T08:04 UTC.