Air Quality in Janesville, United States
Windy
5.4°C · 78.6% humidity
5.4°
Feels -0.5°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Janesville's air quality — share it
AQI Forecast
27
6am
25
24
20
9am
24
24
24
12pm
24
25
25
3pm
25
25
25
6pm
25
25
25
9pm
25
25
25
12am
25
25
25
3am
25
25
Air Quality Index Trend
48h · 2 stnJanesville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
78.6%
Humidity
44.4 km/h
Wind NNE
1033.0 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Janesville?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.54.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
What is the 7-day forecast for Janesville?
05-29
27.6° 4.6°
05-30
23.1° 9.8°
1.75 mm
05-31
28.4° 12.6°
06-01
29.1° 14.4°
0.87 mm
06-02
21.4° 14.0°
1.75 mm
06-03
28.3° 19.8°
06-04
23.4° 11.6°
0.62 mm
Both models agree
Avg diff: 5.4°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T14:50 UTC.