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  5. Caledonia

Caledonia

Houston County, Minnesota

2026-09-05 09:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.4
PM10
μg/m³
4.6
O3
μg/m³
6.3
Weather
  • ℃
  • ℉
22℃
90%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3

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