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  4. Union County
  5. Jefferson

Jefferson

Union County, South Dakota

2026-05-07 16:00
AQI (UK)
Low
Pollutants|Pollens
O3
μg/m³
42.2
PM10
μg/m³
16.7
PM2.5
μg/m³
6.4
Weather
  • ℃
  • ℉
15℃
40%
4 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Pollen
  • O3
  • PM10
  • PM2.5

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