Air Quality in Middleton, United States
Drizzle
20.6°C · 95.0% humidity
20.6°
Feels 20.6°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Middleton's air quality — share it
AQI Forecast
Calibrated
40
2am
40
40
20
5am
27
31
34
8am
35
36
37
11am
38
39
39
2pm
39
39
40
5pm
40
40
40
8pm
41
41
41
11pm
41
40
Station readings
4h ago
AQI 34
PM2.5 8.2 µg/m³ · 4h ago
CAMS model
adj +16
24
24
24
24
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
24
Air Quality Index Trend
5h · 2 stnMiddleton's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
95.0%
Humidity
32.0 km/h
Wind S
1005.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.84 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Middleton?
Temperature & Precipitation
PM2.5 Trend
5h · 2 stationsPM2.54.84 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
4.84
Median
4.9
Average
4.8
Low
5.0
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.0
What is the 7-day forecast for Middleton?
06-09
27.2° 11.3°
2.94 mm
06-10
20.3° 14.8°
18.5 mm
06-11
24.1° 13.9°
0.44 mm
06-12
23.7° 17.5°
06-13
27.1° 20.0°
9.37 mm
06-14
29.6° 14.4°
0.13 mm
06-15
29.4° 24.2°
5.62 mm
Both models agree
Avg diff: 6.8°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 2026-06-09T10:46 UTC.