Stay updated with real-time air quality in Mount Vernon, Virginia featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
174
Unhealthy
Mount Vernon, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
89.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
186.46 μg/m³
0
55
155
255
425
605+
37.26 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
4.48 ppb
0
54
101
361
1250
2050+
0.76 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Vernon, Virginia
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AQI 174
Unhealthy
88.51μg/m³
PM2.5
140.59μg/m³
PM10
38.23ppb
O3
0.96ppb
SO2
4.38ppb
NO2
0.76ppm
CO
AQI 172
Unhealthy
85.88μg/m³
PM2.5
193.99μg/m³
PM10
39.31ppb
O3
0.87ppb
SO2
4.58ppb
NO2
0.76ppm
CO
AQI 174
Unhealthy
88.51μg/m³
PM2.5
140.59μg/m³
PM10
38.23ppb
O3
0.96ppb
SO2
4.38ppb
NO2
0.76ppm
CO
AQI 174
Unhealthy
89.32μg/m³
PM2.5
133.40μg/m³
PM10
37.78ppb
O3
0.98ppb
SO2
4.36ppb
NO2
0.76ppm
CO
AQI 181
Unhealthy
98.71μg/m³
PM2.5
281.98μg/m³
PM10
29.84ppb
O3
0.86ppb
SO2
4.74ppb
NO2
0.77ppm
CO
AQI 176
Unhealthy
90.88μg/m³
PM2.5
252.80μg/m³
PM10
20.84ppb
O3
0.72ppb
SO2
7.49ppb
NO2
0.75ppm
CO
Air quality and pollutant data for Virginia, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Mount Vernon, Virginia is updated every hour for accuracy.
In the past 24 hours, the air quality in Mount Vernon, Virginia was at its worst at 01:00:00 on 2026-07-17.
In the last 24 hours, the best air quality in Mount Vernon, Virginia was observed at 06:00:00 on 2026-07-18.
As of now, the AQI in Mount Vernon, Virginia is 174, indicating Unhealthy conditions.
Mount Vernon, Virginia air has the highest levels of PM2.5.
Poor air quality in Mount Vernon, Virginia means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Mount Vernon, Virginia are currently 89.215 μg/m3.
The PM10 concentration in Mount Vernon, Virginia is 186.461 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mount Vernon, Virginia is 0.762 ppm.
Currently, Mount Vernon, Virginia has a sulfur dioxide (SO2) concentration of 0.906 ppb.
The current ozone (O3) level in Mount Vernon, Virginia at the moment is 37.264 ppm.
Nitrogen dioxide (NO2) level in Mount Vernon, Virginia at the moment is 4.476 ppb.
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