Stay updated with real-time air quality in Mount Vernon, Ohio 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)
37
Good
Mount Vernon, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.26 μg/m³
0
55
155
255
425
605+
39.82 ppb
0
55
71
86
201
201+
3.99 ppb
0
36
76
186
605
1005+
7.52 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Vernon, Ohio
Scroll To Air Quality MapLoading...
AQI 35
Good
4.03μg/m³
PM2.5
15.80μg/m³
PM10
37.97ppb
O3
3.90ppb
SO2
7.26ppb
NO2
0.17ppm
CO
AQI 35
Good
5.33μg/m³
PM2.5
21.40μg/m³
PM10
38.50ppb
O3
4.47ppb
SO2
4.88ppb
NO2
0.18ppm
CO
AQI 35
Good
4.05μg/m³
PM2.5
15.91μg/m³
PM10
38.00ppb
O3
3.91ppb
SO2
7.21ppb
NO2
0.17ppm
CO
AQI 36
Good
1.43μg/m³
PM2.5
5.49μg/m³
PM10
38.90ppb
O3
3.64ppb
SO2
8.56ppb
NO2
0.18ppm
CO
AQI 36
Good
4.45μg/m³
PM2.5
27.99μg/m³
PM10
38.53ppb
O3
5.46ppb
SO2
6.65ppb
NO2
0.19ppm
CO
AQI 34
Good
3.67μg/m³
PM2.5
14.07μg/m³
PM10
37.39ppb
O3
3.73ppb
SO2
8.27ppb
NO2
0.18ppm
CO
Air quality measurements for Ohio, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Mount Vernon, Ohio is updated on an hourly basis.
The worst air quality in Mount Vernon, Ohio was recorded at 08:00:00 on 2026-03-09.
The best air quality in Mount Vernon, Ohio was recorded at 11:00:00 on 2026-03-09.
The real-time air quality index in Mount Vernon, Ohio is 37, currently categorized as Good.
The most common pollutant in Mount Vernon, Ohio is O3.
If the air quality in Mount Vernon, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Mount Vernon, Ohio at present are 3.717 μg/m3.
The current PM10 levels in Mount Vernon, Ohio are 15.258 μg/m3.
The current carbon monoxide (CO) level in Mount Vernon, Ohio is 0.187 ppm.
The current sulfur dioxide (SO2) levels in Mount Vernon, Ohio are 3.988 ppb.
The current ozone (O3) levels at Mount Vernon, Ohio is 39.819 ppm.
The current nitrogen dioxide (NO2) levels at Mount Vernon, Ohio is 7.523 ppb.
All Rights Reserved © Ambee Inc. 2025