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
7pm
34
34
27
10pm
29
30
31
1am
32
26
26
4am
26
27
25
7am
24
24
25
10am
24
24
24
1pm
24
24
24
4pm
24
24
Air Quality Index Trend
37h · 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
37h · 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 2026-08-08T03:52 UTC.