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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-19 07:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
3.8
PM10
μg/m³
12.4
Weather
  • ℃
  • ℉
9℃
72%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Places included
Fort Atkinson
AQI 18
Jefferson
AQI 20
Johnson Creek
AQI 20
Lake Mills
AQI 16
Palmyra
AQI 23
Sullivan
AQI 24
Waterloo
AQI 16
Watertown
AQI 19

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Cities Nearby

Johnson Creek
AQI 20
Watertown
AQI 19
Jefferson
AQI 18
Sullivan
AQI 24
Lake Mills
AQI 16
Oconomowoc
AQI 27
Oconomowoc Lake
AQI 27
Fort Atkinson
AQI 18
Dousman
AQI 27
Clyman
AQI 19
Waterloo
AQI 16