Stay updated with real-time air quality in Columbus, 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)
58
Moderate
Columbus, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.77 μg/m³
0
55
155
255
425
605+
56.98 ppb
0
55
71
86
201
201+
1.50 ppb
0
36
76
186
605
1005+
12.32 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbus, Ohio
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AQI 54
Moderate
8.24μg/m³
PM2.5
25.44μg/m³
PM10
56.24ppb
O3
1.42ppb
SO2
11.93ppb
NO2
0.27ppm
CO
AQI 54
Moderate
8.09μg/m³
PM2.5
27.14μg/m³
PM10
56.45ppb
O3
1.47ppb
SO2
12.77ppb
NO2
0.28ppm
CO
AQI 61
Moderate
10.00μg/m³
PM2.5
29.70μg/m³
PM10
57.82ppb
O3
1.52ppb
SO2
11.01ppb
NO2
0.26ppm
CO
AQI 61
Moderate
8.45μg/m³
PM2.5
25.46μg/m³
PM10
57.73ppb
O3
1.51ppb
SO2
12.18ppb
NO2
0.27ppm
CO
AQI 50
Good
7.25μg/m³
PM2.5
24.78μg/m³
PM10
53.73ppb
O3
1.29ppb
SO2
11.34ppb
NO2
0.27ppm
CO
AQI 51
Moderate
7.92μg/m³
PM2.5
27.57μg/m³
PM10
55.16ppb
O3
1.41ppb
SO2
13.16ppb
NO2
0.29ppm
CO
Air quality measurements for Ohio, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Columbus, Ohio is updated on an hourly basis.
The worst air quality in Columbus, Ohio was recorded at 12:00:00 on 2026-04-24.
The best air quality in Columbus, Ohio was recorded at 09:00:00 on 2026-04-23.
The real-time air quality index in Columbus, Ohio is 58, currently categorized as Moderate.
The most common pollutant in Columbus, Ohio is O3.
If the air quality in Columbus, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Columbus, Ohio at present are 8.475 μg/m3.
The current PM10 levels in Columbus, Ohio are 25.773 μg/m3.
The current carbon monoxide (CO) level in Columbus, Ohio is 0.275 ppm.
The current sulfur dioxide (SO2) levels in Columbus, Ohio are 1.501 ppb.
The current ozone (O3) levels at Columbus, Ohio is 56.977 ppm.
The current nitrogen dioxide (NO2) levels at Columbus, Ohio is 12.316 ppb.
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