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)
73
Moderate
Ohio, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
59.67 μg/m³
0
55
155
255
425
605+
19.47 ppb
0
55
71
86
201
201+
1.32 ppb
0
36
76
186
605
1005+
9.59 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
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 66
Moderate
17.17μg/m³
PM2.5
68.72μg/m³
PM10
21.39ppb
O3
0.78ppb
SO2
13.19ppb
NO2
0.27ppm
CO
AQI 64
Moderate
15.57μg/m³
PM2.5
55.85μg/m³
PM10
19.65ppb
O3
1.67ppb
SO2
7.65ppb
NO2
0.23ppm
CO
AQI 69
Moderate
18.57μg/m³
PM2.5
63.60μg/m³
PM10
17.56ppb
O3
1.19ppb
SO2
11.55ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.10μg/m³
PM2.5
46.69μg/m³
PM10
22.50ppb
O3
0.60ppb
SO2
9.97ppb
NO2
0.27ppm
CO
AQI 69
Moderate
19.00μg/m³
PM2.5
79.00μg/m³
PM10
15.28ppb
O3
0.96ppb
SO2
12.70ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.32μg/m³
PM2.5
38.17μg/m³
PM10
14.82ppb
O3
0.41ppb
SO2
13.04ppb
NO2
0.34ppm
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 21.01 μg/m3.
The PM10 concentration in Ohio, USA is 59.014 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ohio, USA is 0.229 ppm.
Currently, Ohio, USA has a sulfur dioxide (SO2) concentration of 1.297 ppb.
The current ozone (O3) level in Ohio, USA at the moment is 19.788 ppm.
Nitrogen dioxide (NO2) level in Ohio, USA at the moment is 11.025 ppb.
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