Portsmouth, New Hampshire, USA Air Quality

Monitoring Station · Amesbury, United States
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
46 7pm
23
63
46 10pm
46
46
39 1am
39
39
37 4am
36
36
36 7am
36
36
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
Station readings
23
63
CAMS model adj +12
34
34
34
34
34
34
27
27
27
25
24
24
24
24
24

Air Quality Forecast (24h)

PM2.517.8 µg/m³ ×1.2 WHO
Moderate
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Nearby Monitoring Stations

57
Portsmouth, New Hampshire, USA
0.0 km PM2.5: 15.0 µg/m³

Nearby Cities

39 Amesbury 41 Newburyport 39 Haverhill 47 Derry Village 52 Gloucester 47 Derry 44 Biddeford 39 North Andover 39 Methuen

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T22:46 UTC.