Air Quality in Mount Vernon, United States
Cloudy
21.4°C · 88.0% humidity
21.4°
Feels 21.4°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Mount Vernon's air quality — share it
AQI Forecast
27
5am
27
27
41
8am
44
41
59
11am
58
57
56
2pm
55
35
35
5pm
34
34
34
8pm
34
27
27
11pm
25
25
25
2am
24
24
Air Quality Index Trend
24h · 1 stnMount 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.
88.0%
Humidity
22.2 km/h
Wind E
1017.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.75 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Mount Vernon?
Temperature & Precipitation
PM2.5 Trend
24h · 1 stationPM2.59.75 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Mount Vernon?
07-21
28.8° 21.4°
07-22
27.0° 20.7°
0.44 mm
07-23
19.4° 17.0°
2.38 mm
07-24
28.2° 17.8°
0.69 mm
07-25
24.6° 19.9°
4.44 mm
07-26
29.0° 21.7°
3.25 mm
07-27
27.7° 20.6°
Both models agree
Avg diff: 4.0°C
What cities are near Mount Vernon?
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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 2026-07-21T13:35 UTC.