Air Quality in Vandalia, United States
Drizzle
25.7°C · 72.7% humidity
25.7°
Feels 25.7°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
27
2pm
27
27
38
5pm
35
31
29
8pm
27
26
25
11pm
25
25
25
2am
25
25
25
5am
24
24
24
8am
24
24
25
11am
25
25
Vandalia's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
72.7%
Humidity
23.9 km/h
Wind N
1012.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.16 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Vandalia?
Temperature & Precipitation
PM2.59.16 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Vandalia?
07-21
27.8° 20.3°
4.06 mm
07-22
25.7° 19.4°
0.25 mm
07-23
21.5° 15.5°
1.56 mm
07-24
25.7° 15.5°
0.38 mm
07-25
20.7° 17.3°
2.0 mm
07-26
26.5° 16.9°
5.75 mm
07-27
24.8° 19.9°
2.0 mm
Both models agree
Avg diff: 3.9°C
What cities are near Vandalia?
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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 2026-07-21T21:53 UTC.