Miller State Park, New Hampshire, USA

Monitoring Station · Merrimack, United States
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
46 9pm
25
42
43 12am
37
37
37 3am
37
50
50 6am
50
50
50 9am
50
75
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—

Air Quality Trend (24h)

Nearby Cities

12 Merrimack 11 Fitchburg 7 Gardner 7 Keene 10 Nashua 11 Leominster 19 Derry 19 Derry Village 28 Westford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:35 UTC.