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  5. Castlewood

Castlewood

Hamlin County, South Dakota

2026-10-20 16:00
AQI (US)
Moderate
Pollutants|Pollens
PM10
μg/m³
84
PM2.5
μg/m³
7.9
Weather
  • ℃
  • ℉
20℃
54%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • PM2.5
Data Sources
http://www.airnow.gov/

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