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)
44
Good
Cincinnati, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.05 μg/m³
0
55
155
255
425
605+
22.06 ppb
0
55
71
86
201
201+
2.04 ppb
0
36
76
186
605
1005+
9.98 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cincinnati, Ohio
Cincinnati, Ohio
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AQI 44
Good
8.38μg/m³
PM2.5
28.61μg/m³
PM10
21.58ppb
O3
2.02ppb
SO2
10.95ppb
NO2
0.10ppm
CO
AQI 44
Good
8.26μg/m³
PM2.5
33.44μg/m³
PM10
19.87ppb
O3
1.95ppb
SO2
13.66ppb
NO2
0.10ppm
CO
AQI 49
Good
8.72μg/m³
PM2.5
34.80μg/m³
PM10
19.32ppb
O3
1.93ppb
SO2
12.45ppb
NO2
0.10ppm
CO
AQI 44
Good
8.31μg/m³
PM2.5
30.23μg/m³
PM10
22.03ppb
O3
2.00ppb
SO2
12.19ppb
NO2
0.10ppm
CO
AQI 44
Good
7.88μg/m³
PM2.5
32.84μg/m³
PM10
20.07ppb
O3
1.94ppb
SO2
16.15ppb
NO2
0.10ppm
CO
AQI 38
Good
7.23μg/m³
PM2.5
30.13μg/m³
PM10
16.84ppb
O3
1.87ppb
SO2
15.21ppb
NO2
0.10ppm
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 10:00:00, 2026-08-16.
The best air quality in Cincinnati, Ohio was observed at 02:00:00 on 2026-08-16.
The air quality in Cincinnati, Ohio right now is Good, with an AQI of 44.
In Cincinnati, Ohio, PM2.5 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 8.402 μg/m3.
Cincinnati, Ohio currently has a PM10 concentration of 27.052 μg/m3.
The current carbon monoxide (CO) level in Cincinnati, Ohio is 0.101 ppm.
The current sulfur dioxide (SO2) concentration in Cincinnati, Ohio is 2.045 ppb.
Cincinnati, Ohio currently has an ozone (O3) concentration of 22.06 ppm.
The current level of nitrogen dioxide (NO2) in Cincinnati, Ohio is 9.983 ppb.
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