Air Quality in Mount Vernon, United States

Drizzle
14.2°C · 60.0% humidity
14.2°
Feels 14.2°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 7pm
7
27
22 10pm
23
24
25 1am
26
26
26 4am
27
7
7 7am
7
27
27 10am
27
27
27 1pm
27
27
27 4pm
27
7
Station readings
4
8
17
12
CAMS model adj -27
27
34
54
54
54
54
54
54
54
54
54
34
34
34
54
54
54
54
54
54
54
54
54
34
AD 728×90

Air Quality Index Trend

48h · 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.

60.0%
Humidity
46.6 km/h
Wind WNW
1000.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
22
5.21 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.55.21 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
5.21
Median
5.66
Average
2.2
Low
16.4
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +4.8
06-09
35.6° 12.8°
0.13 mm
06-10
21.6° 18.3°
9.38 mm
06-11
25.6° 12.9°
06-12
23.9° 15.7°
10.12 mm
06-13
29.6° 19.4°
1.94 mm
06-14
24.5° 17.5°
15.5 mm
06-15
26.9° 17.5°
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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 2026-06-09T02:42 UTC.