Stay updated with real-time air quality in Ohio, USA 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)
71
Moderate
Ohio, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
60.22 μg/m³
0
55
155
255
425
605+
18.21 ppb
0
55
71
86
201
201+
1.22 ppb
0
36
76
186
605
1005+
10.59 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ohio, USA
Ohio, USA
Scroll To Air Quality MapLoading...
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 67
Moderate
18.30μg/m³
PM2.5
69.93μg/m³
PM10
16.67ppb
O3
0.60ppb
SO2
12.78ppb
NO2
0.27ppm
CO
AQI 62
Moderate
14.61μg/m³
PM2.5
55.06μg/m³
PM10
15.28ppb
O3
1.55ppb
SO2
10.55ppb
NO2
0.25ppm
CO
AQI 73
Moderate
20.83μg/m³
PM2.5
74.28μg/m³
PM10
9.72ppb
O3
0.81ppb
SO2
13.00ppb
NO2
0.35ppm
CO
AQI 54
Moderate
10.92μg/m³
PM2.5
43.89μg/m³
PM10
21.68ppb
O3
0.72ppb
SO2
8.67ppb
NO2
0.21ppm
CO
AQI 73
Moderate
21.33μg/m³
PM2.5
84.03μg/m³
PM10
11.59ppb
O3
1.09ppb
SO2
15.98ppb
NO2
0.53ppm
CO
AQI 58
Moderate
13.45μg/m³
PM2.5
43.02μg/m³
PM10
8.85ppb
O3
0.47ppb
SO2
14.15ppb
NO2
0.37ppm
CO
Air quality and pollutant data for Ohio, 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 Ohio, USA is updated every hour for accuracy.
In the past 24 hours, the air quality in Ohio, USA was at its worst at 09:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in Ohio, USA was observed at 12:00:00 on 2025-12-06.
As of now, the AQI in Ohio, USA is 73, indicating Moderate conditions.
Ohio, USA air has the highest levels of PM2.5.
Poor air quality in Ohio, USA means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Ohio, USA are currently 20.624 μg/m3.
The PM10 concentration in Ohio, USA is 59.869 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ohio, USA is 0.254 ppm.
Currently, Ohio, USA has a sulfur dioxide (SO2) concentration of 1.287 ppb.
The current ozone (O3) level in Ohio, USA at the moment is 18.568 ppm.
Nitrogen dioxide (NO2) level in Ohio, USA at the moment is 11.152 ppb.
All Rights Reserved © Ambee Inc. 2025