Air Quality in West Allis, United States

Drizzle
6.6°C · 62.2% humidity
6.6°
Feels -0.0°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
— 12pm
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19
19 3pm
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— 9pm
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Station readings
19
18

Air Quality Index Trend

33h · 3 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.

62.2%
Humidity
68.3 km/h
Wind NNE
1029.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
19
4.57 µg/m³
PM10▲
51
54.9 µg/m³
050100150200300500

What is the weather forecast for West Allis?

Temperature & Precipitation

PM2.5 Trend

33h · 3 stations
PM2.54.57 µg/m³ ✓ WHO
Good
PM1054.9 µg/m³
Moderate
UV INDEX0.0
Low
Station readings (4 stations within 25 km)
4.57
Median
4.45
Average
3.6
Low
4.8
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +14.6

What is the 7-day forecast for West Allis?

10-20
8.0° 2.6°
0.19 mm
10-21
23.1° 10.0°
0.81 mm
10-22
14.3° 6.1°
10-23
10.1° 7.1°
1.19 mm
10-24
21.7° 8.4°
10-25
12.6° 1.6°
1.13 mm
10-26
14.8° 2.7°
4.56 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near West Allis?

43
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 10.3 µg/m³
19
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 4.6 µg/m³
20
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 4.8 µg/m³
38
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 9.1 µg/m³
37
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 8.9 µg/m³
15
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 3.6 µg/m³
39
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 9.4 µg/m³
40
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 9.6 µg/m³
62
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 17.3 µg/m³
20
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 4.8 µg/m³

What cities are near West Allis?

19 Wauwatosa 20 Milwaukee 19 New Berlin 19 Brookfield 18 Cudahy 19 Muskego 17 South Milwaukee 20 Waukesha 17 Oak Creek 20 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 2026-10-20T20:57 UTC.