Air Quality in Wentzville, United States
Windy
25.6°C · 45.9% humidity
25.6°
Feels 25.6°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Wentzville's air quality — share it
AQI Forecast
54
7pm
54
54
30
10pm
37
42
45
1am
48
49
51
4am
52
52
33
7am
33
33
34
10am
54
34
54
1pm
34
34
34
4pm
34
34
Air Quality Index Trend
35h · 3 stnWentzville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
45.9%
Humidity
64.0 km/h
Wind NE
1017.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.08 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Wentzville?
Temperature & Precipitation
PM2.5 Trend
35h · 3 stationsPM2.57.08 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Wentzville?
08-03
29.7° 19.6°
08-04
34.7° 18.0°
08-05
37.3° 14.5°
2.38 mm
08-06
39.8° 20.8°
1.5 mm
08-07
32.8° 22.0°
08-08
37.3° 22.7°
1.38 mm
08-09
39.8° 25.0°
0.5 mm
Both models agree
Avg diff: 3.8°C
What cities are near Wentzville?
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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 2026-08-08T03:07 UTC.