Stay updated with real-time air quality in Harrison, 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)
21
Good
Harrison, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.01 μg/m³
0
55
155
255
425
605+
22.66 ppb
0
55
71
86
201
201+
1.63 ppb
0
36
76
186
605
1005+
8.07 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Harrison, Ohio
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AQI 21
Good
3.14μg/m³
PM2.5
14.41μg/m³
PM10
22.60ppb
O3
1.60ppb
SO2
8.07ppb
NO2
0.21ppm
CO
AQI 20
Good
3.11μg/m³
PM2.5
14.46μg/m³
PM10
22.49ppb
O3
1.58ppb
SO2
8.13ppb
NO2
0.21ppm
CO
AQI 20
Good
3.19μg/m³
PM2.5
14.96μg/m³
PM10
21.83ppb
O3
1.53ppb
SO2
8.58ppb
NO2
0.22ppm
CO
AQI 20
Good
3.12μg/m³
PM2.5
14.65μg/m³
PM10
22.22ppb
O3
1.55ppb
SO2
8.30ppb
NO2
0.21ppm
CO
AQI 20
Good
3.19μg/m³
PM2.5
13.80μg/m³
PM10
21.86ppb
O3
1.61ppb
SO2
7.75ppb
NO2
0.20ppm
CO
AQI 20
Good
3.25μg/m³
PM2.5
15.60μg/m³
PM10
21.91ppb
O3
1.57ppb
SO2
8.34ppb
NO2
0.21ppm
CO
Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Harrison, Ohio is updated every hour.
The worst air quality in Harrison, Ohio in the last 24 hours was observed at 09:00:00 on 2025-10-21.
In the last 24 hrs, the best air quality in Harrison, Ohio was observed at 02:00:00 on 2025-10-22.
The current air quality in Harrison, Ohio is 21, categorized as Good based on real-time data.
The most common pollutant in Harrison, Ohio is O3.
If the air quality in Harrison, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Harrison, Ohio is 3.234 μg/m3.
The current PM10 concentration at Harrison, Ohio is 15.014 μg/m3.
The current carbon monoxide (CO) concentration at Harrison, Ohio is 0.21 ppm.
The current sulfur dioxide (SO2) concentration at Harrison, Ohio is 1.629 ppb.
The current ozone (O3) concentration at Harrison, Ohio is 22.657 ppm.
The current nitrogen dioxide (NO2) concentration at Harrison, Ohio is 8.074 ppb.
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