Air Quality in Janesville, United States
Clear
25.1°C · 40.0% humidity
25.1°
Feels 25.1°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Janesville's air quality — share it
AQI Forecast
34
6pm
34
34
27
9pm
29
30
31
12am
32
33
26
3am
26
27
27
6am
25
24
24
9am
25
24
24
12pm
24
24
24
3pm
24
24
Air Quality Index Trend
33h · 1 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.
40.0%
Humidity
39.5 km/h
Wind NNE
1018.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.39 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Janesville?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.56.39 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Janesville?
08-03
26.0° 18.1°
4.56 mm
08-04
32.9° 12.7°
2.19 mm
08-05
25.9° 11.9°
0.13 mm
08-06
36.4° 20.1°
08-07
29.7° 15.3°
1.37 mm
08-08
33.5° 15.2°
11.94 mm
08-09
34.6° 22.8°
0.13 mm
Both models agree
Avg diff: 4.6°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 2026-08-08T02:10 UTC.