Air Quality in West Allis, United States

Windy
24.6°C · 36.8% humidity
24.6°
Feels 24.6°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
36 8pm
35
32
41 11pm
42
42
42 2am
42
42
22 5am
22
15
12 8am
12
13
13 11am
13
13
12 2pm
12
12
12 5pm
12
12
Station readings
36
35
32
30
CAMS model adj -12
54
54
54
54
54
54
54
54
54
34
34
27
24
24
25
25
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

33h · 2 stn

West 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.

36.8%
Humidity
50.8 km/h
Wind E
1018.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.88 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Allis?

Temperature & Precipitation

PM2.5 Trend

33h · 2 stations
PM2.59.88 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (5 stations within 25 km)
9.88
Median
9.9
Average
9.8
Low
10.3
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -1.7

What is the 7-day forecast for West Allis?

08-03
24.9° 18.7°
2.75 mm
08-04
26.7° 13.7°
2.81 mm
08-05
29.9° 12.9°
1.25 mm
08-06
36.9° 21.1°
08-07
28.5° 16.5°
1.25 mm
08-08
35.8° 16.5°
10.25 mm
08-09
36.0° 23.3°
0.19 mm
Both models agree Avg diff: 4.5°C

Where are air quality stations near West Allis?

32
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 7.7 µg/m³
30
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 7.2 µg/m³
33
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 7.9 µg/m³
32
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 7.7 µg/m³

What cities are near West Allis?

41 Wauwatosa 41 Milwaukee 41 New Berlin 41 Brookfield 42 Cudahy 41 Muskego 42 South Milwaukee 41 Waukesha 42 Oak Creek 41 Menomonee Falls
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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 2026-08-08T04:49 UTC.