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)
35
Good
Mount Vernon, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.00 μg/m³
0
55
155
255
425
605+
37.66 ppb
0
55
71
86
201
201+
1.57 ppb
0
36
76
186
605
1005+
1.86 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Vernon, Ohio
Scroll To Air Quality MapLoading...
AQI 34
Good
1.67μg/m³
PM2.5
6.51μg/m³
PM10
37.01ppb
O3
1.55ppb
SO2
2.23ppb
NO2
0.15ppm
CO
AQI 33
Good
1.58μg/m³
PM2.5
5.73μg/m³
PM10
35.83ppb
O3
1.18ppb
SO2
1.62ppb
NO2
0.14ppm
CO
AQI 34
Good
1.67μg/m³
PM2.5
6.64μg/m³
PM10
37.00ppb
O3
1.55ppb
SO2
2.25ppb
NO2
0.14ppm
CO
AQI 36
Good
1.82μg/m³
PM2.5
3.73μg/m³
PM10
38.91ppb
O3
1.51ppb
SO2
1.87ppb
NO2
0.16ppm
CO
AQI 35
Good
1.58μg/m³
PM2.5
5.09μg/m³
PM10
37.61ppb
O3
1.33ppb
SO2
1.74ppb
NO2
0.14ppm
CO
AQI 33
Good
1.78μg/m³
PM2.5
4.38μg/m³
PM10
36.36ppb
O3
1.50ppb
SO2
1.95ppb
NO2
0.16ppm
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 04:00:00 on 2026-03-11.
The best air quality in Mount Vernon, Ohio was recorded at 02:00:00 on 2026-03-12.
The real-time air quality index in Mount Vernon, Ohio is 35, 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 1.679 μg/m3.
The current PM10 levels in Mount Vernon, Ohio are 7.005 μg/m3.
The current carbon monoxide (CO) level in Mount Vernon, Ohio is 0.142 ppm.
The current sulfur dioxide (SO2) levels in Mount Vernon, Ohio are 1.566 ppb.
The current ozone (O3) levels at Mount Vernon, Ohio is 37.665 ppm.
The current nitrogen dioxide (NO2) levels at Mount Vernon, Ohio is 1.857 ppb.
All Rights Reserved © Ambee Inc. 2025