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

Portsmouth

Rockingham County, New Hampshire

2025-12-17 16:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
22
O3
μg/m³
51.4
PM2.5
μg/m³
8.8
SO2
μg/m³
4.9
Weather
  • ℃
  • ℉
4℃
57%
6 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • SO2
Places included
Portsmouth
AQI 22
Data Sources
http://www.airnow.gov/

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