Home > USA > New Hampshire > Rockingham County > Portsmouth
Primary air pollutant in the Portsmouth area:
PM2.5 - 40 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 13 Good
OZONE - 31 Good
Primary Pollutant: PM2.5 - 51 Moderate
Secondary Pollutant: OZONE - 0 Good
Primary Pollutant: OZONE - 60 Moderate
Secondary Pollutant: PM2.5 - 51 Moderate