Miller State Park, New Hampshire, USA

Monitoring Station · Merrimack, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
42 12am
37
37
40 3am
37
50
50 6am
50
50
50 9am
50
75
75 12pm
75
50
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—

Air Quality Trend (24h)

Nearby Cities

7 Merrimack Fitchburg Gardner Keene 5 Nashua Leominster 18 Derry 18 Derry Village 24 Westford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T03:45 UTC.