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  2. United States
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  4. Worcester County
  5. Petersham

Petersham

Worcester County, Massachusetts

2026-06-28 09:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.2
PM10
μg/m³
15
O3
μg/m³
28.4
Weather
  • ℃
  • ℉
16℃
95%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3

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