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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-20 15:00
AQI (China)
Excellent
Pollutants
PM10
μg/m³
21.1
PM2.5
μg/m³
12.8
Weather
  • ℃
  • ℉
15℃
72%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM10
  • PM2.5
Places included
Fort Atkinson
AQI 27
Jefferson
AQI 24
Johnson Creek
AQI 24
Lake Mills
AQI 27
Palmyra
AQI 22
Sullivan
AQI 20
Waterloo
AQI 25
Watertown
AQI 23

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Cities Nearby

Johnson Creek
AQI 24
Watertown
AQI 23
Jefferson
AQI 26
Sullivan
AQI 20
Lake Mills
AQI 27
Oconomowoc
AQI 32
Oconomowoc Lake
AQI 32
Fort Atkinson
AQI 27
Dousman
AQI 32
Clyman
AQI 11
Waterloo
AQI 25