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)
49
Good
Ohio, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.63 μg/m³
0
55
155
255
425
605+
34.87 ppb
0
55
71
86
201
201+
1.19 ppb
0
36
76
186
605
1005+
7.11 ppb
0
54
101
361
1250
2050+
0.25 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 49
Good
8.61μg/m³
PM2.5
34.12μg/m³
PM10
41.77ppb
O3
0.89ppb
SO2
6.31ppb
NO2
0.27ppm
CO
AQI 49
Good
8.83μg/m³
PM2.5
37.14μg/m³
PM10
31.95ppb
O3
0.83ppb
SO2
3.82ppb
NO2
0.23ppm
CO
AQI 52
Moderate
10.10μg/m³
PM2.5
35.40μg/m³
PM10
36.16ppb
O3
1.02ppb
SO2
11.74ppb
NO2
0.33ppm
CO
AQI 40
Good
4.40μg/m³
PM2.5
18.70μg/m³
PM10
43.05ppb
O3
0.55ppb
SO2
4.60ppb
NO2
0.18ppm
CO
AQI 37
Good
5.56μg/m³
PM2.5
23.80μg/m³
PM10
39.58ppb
O3
0.76ppb
SO2
4.48ppb
NO2
0.20ppm
CO
AQI 44
Good
7.59μg/m³
PM2.5
23.37μg/m³
PM10
44.92ppb
O3
0.50ppb
SO2
4.81ppb
NO2
0.20ppm
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 2026-06-07.
In the last 24 hours, the best air quality in Ohio, USA was observed at 08:00:00 on 2026-06-07.
As of now, the AQI in Ohio, USA is 54, 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 11.24 μg/m3.
The PM10 concentration in Ohio, USA is 50.04 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ohio, USA is 0.17 ppm.
Currently, Ohio, USA has a sulfur dioxide (SO2) concentration of 0.457 ppb.
The current ozone (O3) level in Ohio, USA at the moment is 35.358 ppm.
Nitrogen dioxide (NO2) level in Ohio, USA at the moment is 5.441 ppb.
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