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)
60
Moderate
Ohio, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.60 μg/m³
0
55
155
255
425
605+
42.42 ppb
0
55
71
86
201
201+
1.44 ppb
0
36
76
186
605
1005+
4.52 ppb
0
54
101
361
1250
2050+
0.22 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 52
Moderate
9.66μg/m³
PM2.5
38.23μg/m³
PM10
40.35ppb
O3
1.04ppb
SO2
5.20ppb
NO2
0.23ppm
CO
AQI 56
Moderate
12.20μg/m³
PM2.5
49.60μg/m³
PM10
34.68ppb
O3
0.85ppb
SO2
2.29ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.19μg/m³
PM2.5
40.39μg/m³
PM10
39.11ppb
O3
1.40ppb
SO2
6.14ppb
NO2
0.25ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
34.27μg/m³
PM10
41.66ppb
O3
0.41ppb
SO2
2.90ppb
NO2
0.24ppm
CO
AQI 49
Good
8.80μg/m³
PM2.5
38.91μg/m³
PM10
39.27ppb
O3
0.71ppb
SO2
3.97ppb
NO2
0.32ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
24.71μg/m³
PM10
35.84ppb
O3
0.37ppb
SO2
2.10ppb
NO2
0.28ppm
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 10:00:00 on 2026-08-08.
In the last 24 hours, the best air quality in Ohio, USA was observed at 08:00:00 on 2026-08-08.
As of now, the AQI in Ohio, USA is 60, 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 13.521 μg/m3.
The PM10 concentration in Ohio, USA is 44.152 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ohio, USA is 0.21 ppm.
Currently, Ohio, USA has a sulfur dioxide (SO2) concentration of 1.529 ppb.
The current ozone (O3) level in Ohio, USA at the moment is 43.141 ppm.
Nitrogen dioxide (NO2) level in Ohio, USA at the moment is 4.016 ppb.
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