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  4. Worcester County
  5. Petersham

Petersham

Worcester County, Massachusetts

2026-10-02 18:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.9
O3
μg/m³
84.8
PM10
μg/m³
19
Weather
  • ℃
  • ℉
26℃
62%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10

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