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  2. United States
  3. New Hampshire
  4. Rockingham County
  5. Portsmouth

Portsmouth

Rockingham County, New Hampshire

2025-12-14 11:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.5
O3
μg/m³
32.1
PM10
μg/m³
13
SO2
μg/m³
3.4
Weather
  • ℃
  • ℉
-2℃
86%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • SO2
Places included
Portsmouth
AQI 51
Data Sources
http://www.airnow.gov/

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