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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-20 01:00
AQI (China)
Excellent
Pollutants
PM10
μg/m³
17.5
PM2.5
μg/m³
7.6
Weather
  • ℃
  • ℉
12℃
78%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM10
  • PM2.5
Places included
Fort Atkinson
AQI 16
Jefferson
AQI 17
Johnson Creek
AQI 17
Lake Mills
AQI 15
Palmyra
AQI 19
Sullivan
AQI 19
Waterloo
AQI 15
Watertown
AQI 17

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Cities Nearby

Johnson Creek
AQI 17
Watertown
AQI 17
Jefferson
AQI 16
Sullivan
AQI 19
Lake Mills
AQI 15
Oconomowoc
AQI 23
Oconomowoc Lake
AQI 23
Fort Atkinson
AQI 16
Dousman
AQI 23
Clyman
AQI 15
Waterloo
AQI 15