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AirHistory

What Is Air Quality in Merrimack, New Hampshire, NH?

Merrimack, New Hampshire, NH has an Air Quality Grade of C with a 5-year median AQI of 37. The dominant pollutant is Ozone.

Key Data

MetricValue
Air Quality GradeC (62/100)
5-Year Median AQI37
Current Median AQI39
Dominant PollutantOzone
TrendWorsening
Unhealthy Days (5yr)1

Merrimack, New Hampshire, NH has an Air Quality Grade of C with a 5-year median AQI of 37. The dominant pollutant is Ozone.