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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-20 06:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
14.6
PM10
μg/m³
21.4
Weather
  • ℃
  • ℉
8℃
94%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Places included
Fort Atkinson
AQI 63
Jefferson
AQI 62
Johnson Creek
AQI 62
Lake Mills
AQI 63
Palmyra
AQI 61
Sullivan
AQI 59
Waterloo
AQI 61
Watertown
AQI 64

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Cities Nearby

Johnson Creek
AQI 62
Watertown
AQI 64
Jefferson
AQI 63
Sullivan
AQI 59
Lake Mills
AQI 63
Oconomowoc
AQI 55
Oconomowoc Lake
AQI 55
Fort Atkinson
AQI 63
Dousman
AQI 55
Clyman
AQI 53
Waterloo
AQI 61