Stay updated with real-time air quality in Cleveland, 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)
52
Moderate
Cleveland, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.50 μg/m³
0
55
155
255
425
605+
24.59 ppb
0
55
71
86
201
201+
2.68 ppb
0
36
76
186
605
1005+
9.78 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Cleveland, Ohio
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AQI 52
Moderate
9.67μg/m³
PM2.5
30.33μg/m³
PM10
28.33ppb
O3
1.14ppb
SO2
5.48ppb
NO2
0.28ppm
CO
AQI 52
Moderate
9.73μg/m³
PM2.5
31.54μg/m³
PM10
27.06ppb
O3
1.21ppb
SO2
9.10ppb
NO2
0.29ppm
CO
AQI 44
Good
8.16μg/m³
PM2.5
34.54μg/m³
PM10
30.61ppb
O3
1.33ppb
SO2
9.92ppb
NO2
0.28ppm
CO
AQI 52
Moderate
9.72μg/m³
PM2.5
31.29μg/m³
PM10
27.34ppb
O3
1.20ppb
SO2
8.68ppb
NO2
0.29ppm
CO
AQI 52
Moderate
9.72μg/m³
PM2.5
29.24μg/m³
PM10
27.22ppb
O3
1.23ppb
SO2
8.61ppb
NO2
0.29ppm
CO
AQI 44
Good
8.16μg/m³
PM2.5
29.96μg/m³
PM10
29.68ppb
O3
1.32ppb
SO2
7.76ppb
NO2
0.28ppm
CO
Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Cleveland, Ohio is updated every hour.
The worst air quality in Cleveland, Ohio in the last 24 hours was observed at 01:00:00 on 2026-03-11.
In the last 24 hrs, the best air quality in Cleveland, Ohio was observed at 03:00:00 on 2026-03-10.
The current air quality in Cleveland, Ohio is 52, categorized as Moderate based on real-time data.
The most common pollutant in Cleveland, Ohio is PM2.5.
If the air quality in Cleveland, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Cleveland, Ohio is 9.78 μg/m3.
The current PM10 concentration at Cleveland, Ohio is 32.411 μg/m3.
The current carbon monoxide (CO) concentration at Cleveland, Ohio is 0.296 ppm.
The current sulfur dioxide (SO2) concentration at Cleveland, Ohio is 1.224 ppb.
The current ozone (O3) concentration at Cleveland, Ohio is 26.078 ppm.
The current nitrogen dioxide (NO2) concentration at Cleveland, Ohio is 10.574 ppb.
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