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  3. New Hampshire
  4. Rockingham County
  5. Portsmouth

Portsmouth

Rockingham County, New Hampshire

2026-06-27 17:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
64.3
PM2.5
μg/m³
9.7
PM10
μg/m³
13
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
23℃
65%
3 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • SO2
Places included
Portsmouth
AQI 27
Data Sources
http://www.airnow.gov/

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North Hampton
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Stratham
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York
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Newmarket
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