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)
44
Good
Ohio, USA
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.05 μg/m³
0
55
155
255
425
605+
47.69 ppb
0
55
71
86
201
201+
2.06 ppb
0
36
76
186
605
1005+
6.78 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Ohio, USA
Ohio, USA
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 42
Good
6.35μg/m³
PM2.5
28.34μg/m³
PM10
44.58ppb
O3
3.11ppb
SO2
5.58ppb
NO2
0.19ppm
CO
AQI 40
Good
4.22μg/m³
PM2.5
17.79μg/m³
PM10
43.41ppb
O3
2.41ppb
SO2
4.10ppb
NO2
0.17ppm
CO
AQI 39
Good
7.07μg/m³
PM2.5
26.75μg/m³
PM10
42.36ppb
O3
2.12ppb
SO2
8.05ppb
NO2
0.21ppm
CO
AQI 40
Good
5.38μg/m³
PM2.5
22.26μg/m³
PM10
43.48ppb
O3
0.88ppb
SO2
5.23ppb
NO2
0.18ppm
CO
AQI 41
Good
4.64μg/m³
PM2.5
20.15μg/m³
PM10
44.28ppb
O3
1.03ppb
SO2
3.77ppb
NO2
0.22ppm
CO
AQI 38
Good
3.80μg/m³
PM2.5
15.07μg/m³
PM10
41.25ppb
O3
0.29ppb
SO2
1.43ppb
NO2
0.17ppm
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 07:00:00 on 2025-09-02.
In the last 24 hours, the best air quality in Ohio, USA was observed at 04:00:00 on 2025-09-02.
As of now, the AQI in Ohio, USA is 43, indicating Good conditions.
Ohio, USA air has the highest levels of O3.
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 4.48 μg/m3.
The PM10 concentration in Ohio, USA is 19.907 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ohio, USA is 0.211 ppm.
Currently, Ohio, USA has a sulfur dioxide (SO2) concentration of 1.917 ppb.
The current ozone (O3) level in Ohio, USA at the moment is 45.766 ppm.
Nitrogen dioxide (NO2) level in Ohio, USA at the moment is 7.413 ppb.
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