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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-19 16:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
4.8
PM10
μg/m³
10.1
Weather
  • ℃
  • ℉
14℃
61%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Places included
Fort Atkinson
AQI 29
Jefferson
AQI 27
Johnson Creek
AQI 27
Lake Mills
AQI 26
Palmyra
AQI 28
Sullivan
AQI 27
Waterloo
AQI 25
Watertown
AQI 26

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Cities Nearby

Johnson Creek
AQI 27
Watertown
AQI 26
Jefferson
AQI 27
Sullivan
AQI 27
Lake Mills
AQI 26
Oconomowoc
AQI 27
Oconomowoc Lake
AQI 27
Fort Atkinson
AQI 29
Dousman
AQI 27
Clyman
AQI 23
Waterloo
AQI 25