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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-20 23:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
8.3
PM10
μg/m³
20.2
Weather
  • ℃
  • ℉
16℃
52%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Places included
Fort Atkinson
AQI 46
Jefferson
AQI 46
Johnson Creek
AQI 47
Lake Mills
AQI 42
Palmyra
AQI 48
Sullivan
AQI 45
Waterloo
AQI 39
Watertown
AQI 48

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Cities Nearby

Johnson Creek
AQI 47
Watertown
AQI 48
Jefferson
AQI 45
Sullivan
AQI 45
Lake Mills
AQI 42
Oconomowoc
AQI 53
Oconomowoc Lake
AQI 53
Fort Atkinson
AQI 46
Dousman
AQI 53
Clyman
AQI 24
Waterloo
AQI 39