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  5. Petersham

Petersham

Worcester County, Massachusetts

2026-06-29 07:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
11.6
PM2.5
μg/m³
7.7
O3
μg/m³
24.6
Weather
  • ℃
  • ℉
16℃
94%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3

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