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  4. Jefferson County

Jefferson County

Wisconsin

2026-10-20 16:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
17.6
PM10
μg/m³
29.9
Weather
  • ℃
  • ℉
17℃
60%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Places included
Fort Atkinson
AQI 65
Jefferson
AQI 66
Johnson Creek
AQI 66
Lake Mills
AQI 62
Palmyra
AQI 68
Sullivan
AQI 67
Waterloo
AQI 59
Watertown
AQI 67

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Cities Nearby

Johnson Creek
AQI 66
Watertown
AQI 67
Jefferson
AQI 64
Sullivan
AQI 67
Lake Mills
AQI 62
Oconomowoc
AQI 63
Oconomowoc Lake
AQI 63
Fort Atkinson
AQI 65
Dousman
AQI 63
Clyman
AQI 34
Waterloo
AQI 59