Air Quality in West Allis, United States
Windy
17.9°C · 48.0% humidity
17.9°
Feels 17.9°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
West Allis's air quality — share it
AQI Forecast
25
8am
24
21
25
11am
25
25
25
2pm
25
25
24
5pm
24
24
54
8pm
54
54
34
11pm
27
27
25
2am
25
25
25
5am
25
25
Station readings
25
24
21
23
CAMS model
25
25
25
25
25
25
25
25
25
24
24
24
54
54
54
34
27
27
25
25
25
25
25
25
Air Quality Index Trend
48h · 3 stnWest Allis's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
48.0%
Humidity
56.8 km/h
Wind WNW
1020.0 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.01 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for West Allis?
Temperature & Precipitation
PM2.5 Trend
48h · 3 stationsPM2.56.01 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (4 stations within 25 km)
6.01
Median
5.92
Average
5.3
Low
6.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -0.0
What is the 7-day forecast for West Allis?
09-05
18.7° 16.4°
09-06
26.3° 11.4°
09-07
22.7° 15.0°
1.75 mm
09-08
20.6° 12.9°
17.5 mm
09-09
28.7° 15.2°
1.06 mm
09-10
24.9° 15.6°
0.56 mm
09-11
24.0° 15.5°
2.12 mm
Both models agree
Avg diff: 6.3°C
Where are air quality stations near West Allis?
18
Milw 16th St, Wisconsin, USA
23
Milw 16th St, Wisconsin, USA
23
Milwaukee-college Ave Nr, Wisconsin, USA
25
Waukesha-cleveland Ave., Wisconsin, USA
26
Waukesha-cleveland Ave., Wisconsin, USA
What cities are near West Allis?
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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 2026-09-05T16:36 UTC.