Air Quality in Mount Vernon, United States

Windy
24.6°C · 56.3% humidity
24.6°
Feels 24.6°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
34 11pm
34
34
34 2am
34
34
34 5am
34
34
54 8am
54
54
54 11am
54
54
34 2pm
34
34
34 5pm
34
34
34 8pm
34
34
AD 728×90

Air Quality Index Trend

14h · 1 stn

Mount Vernon's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

56.3%
Humidity
68.1 km/h
Wind NE
1017.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Mount Vernon?

Temperature & Precipitation

PM2.5 Trend

14h · 1 station
PM2.58.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250

What is the 7-day forecast for Mount Vernon?

08-03
28.9° 18.5°
08-04
32.0° 17.6°
08-05
32.2° 13.4°
50.06 mm
08-06
35.8° 21.4°
4.56 mm
08-07
27.2° 18.5°
08-08
34.2° 24.2°
1.69 mm
08-09
33.2° 24.7°
Both models agree Avg diff: 2.7°C

What cities are near Mount Vernon?

42 Marion 42 Carbondale 54 O'Fallon 54 Belleville 54 Fairview Heights 54 Collinsville 33 Edwardsville 54 East Saint Louis 52 Granite City 53 St. Louis
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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 2026-08-08T07:23 UTC.