Air Quality in Janesville, United States
Windy
17.6°C · 49.8% humidity
17.6°
Feels 17.6°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Janesville's air quality — share it
AQI Forecast
34
9am
27
27
29
12pm
27
27
25
3pm
25
25
25
6pm
25
34
34
9pm
27
27
27
12am
34
54
54
3am
54
54
54
6am
54
34
Air Quality Index Trend
44h · 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.
49.8%
Humidity
56.8 km/h
Wind NW
1020.5 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.87 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Janesville?
Temperature & Precipitation
PM2.5 Trend
44h · 1 stationPM2.56.87 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Janesville?
09-05
20.3° 15.3°
09-06
27.1° 9.7°
0.94 mm
09-07
22.6° 14.1°
0.31 mm
09-08
21.0° 12.3°
18.63 mm
09-09
28.8° 12.8°
0.75 mm
09-10
24.2° 16.1°
0.25 mm
09-11
25.9° 15.2°
2.25 mm
Both models agree
Avg diff: 6.8°C
What cities are near Janesville?
Get AQI alerts for Janesville
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T17:14 UTC.