Stay updated with real-time air quality in Cincinnati, Ohio 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)
32
Good
Cincinnati, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.85 μg/m³
0
55
155
255
425
605+
34.61 ppb
0
55
71
86
201
201+
1.60 ppb
0
36
76
186
605
1005+
4.60 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Cincinnati, Ohio
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AQI 31
Good
5.35μg/m³
PM2.5
14.95μg/m³
PM10
34.45ppb
O3
1.57ppb
SO2
4.78ppb
NO2
0.13ppm
CO
AQI 31
Good
5.10μg/m³
PM2.5
18.90μg/m³
PM10
33.86ppb
O3
1.44ppb
SO2
5.33ppb
NO2
0.15ppm
CO
AQI 31
Good
4.89μg/m³
PM2.5
17.46μg/m³
PM10
33.90ppb
O3
1.47ppb
SO2
5.36ppb
NO2
0.14ppm
CO
AQI 32
Good
5.22μg/m³
PM2.5
16.43μg/m³
PM10
34.53ppb
O3
1.53ppb
SO2
5.02ppb
NO2
0.14ppm
CO
AQI 31
Good
4.71μg/m³
PM2.5
18.49μg/m³
PM10
34.03ppb
O3
1.40ppb
SO2
5.50ppb
NO2
0.17ppm
CO
AQI 31
Good
4.59μg/m³
PM2.5
18.16μg/m³
PM10
34.11ppb
O3
1.26ppb
SO2
5.41ppb
NO2
0.16ppm
CO
The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Cincinnati, Ohio are available every hour.
Cincinnati, Ohio experienced its worst air quality at 05:00:00, 2026-03-09.
The best air quality in Cincinnati, Ohio was observed at 04:00:00 on 2026-03-09.
The air quality in Cincinnati, Ohio right now is Good, with an AQI of 32.
In Cincinnati, Ohio, O3 is the most frequently found pollutant.
When air quality in Cincinnati, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Cincinnati, Ohio currently has a PM2.5 concentration of 5.462 μg/m3.
Cincinnati, Ohio currently has a PM10 concentration of 13.852 μg/m3.
The current carbon monoxide (CO) level in Cincinnati, Ohio is 0.122 ppm.
The current sulfur dioxide (SO2) concentration in Cincinnati, Ohio is 1.603 ppb.
Cincinnati, Ohio currently has an ozone (O3) concentration of 34.614 ppm.
The current level of nitrogen dioxide (NO2) in Cincinnati, Ohio is 4.598 ppb.
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