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  4. Worcester County
  5. Petersham

Petersham

Worcester County, Massachusetts

2026-06-26 19:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
80.7
PM2.5
μg/m³
4.9
PM10
μg/m³
10
Weather
  • ℃
  • ℉
24℃
77%
12 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10

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