Air Quality in Madison, United States
Drizzle
25.9°C · 75.0% humidity
25.9°
Feels 25.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Madison's air quality — share it
AQI Forecast
34
2pm
34
34
28
5pm
30
31
32
8pm
52
33
33
11pm
33
34
34
2am
34
34
34
5am
34
34
54
8am
54
54
54
11am
54
34
Air Quality Index Trend
33h · 2 stnMadison's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
75.0%
Humidity
31.6 km/h
Wind ENE
1010.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.75 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Madison?
Temperature & Precipitation
PM2.5 Trend
33h · 2 stationsPM2.56.75 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (2 stations within 25 km)
6.75
Median
6.75
Average
6.5
Low
7.0
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +0.3
What is the 7-day forecast for Madison?
07-21
31.9° 21.2°
5.87 mm
07-22
28.5° 21.6°
0.5 mm
07-23
29.7° 19.4°
0.75 mm
07-24
27.4° 19.9°
0.62 mm
07-25
25.4° 20.3°
3.0 mm
07-26
30.7° 20.7°
3.5 mm
07-27
26.1° 20.2°
3.81 mm
Both models agree
Avg diff: 4.3°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 2026-07-21T22:03 UTC.