Air Quality in Wentzville, United States
Windy
31.2°C · 37.3% humidity
31.2°
Feels 31.2°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Wentzville's air quality — share it
AQI Forecast
27
8am
27
34
38
11am
34
34
34
2pm
34
34
27
5pm
27
27
34
8pm
27
27
27
11pm
27
27
27
2am
27
27
27
5am
27
27
Air Quality Index Trend
45h · 2 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.
37.3%
Humidity
71.6 km/h
Wind SSE
1015.8 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.14 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Wentzville?
Temperature & Precipitation
PM2.5 Trend
45h · 2 stationsPM2.59.14 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Wentzville?
09-06
34.9° 17.3°
3.81 mm
09-07
29.4° 21.3°
0.81 mm
09-08
23.5° 19.4°
19.81 mm
09-09
28.3° 15.9°
2.81 mm
09-10
31.0° 17.9°
0.56 mm
09-11
38.9° 19.3°
0.06 mm
09-12
33.9° 17.3°
Both models agree
Avg diff: 5.6°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 2026-09-06T16:57 UTC.