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)
92
Moderate
Columbus, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
31.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
75.97 μg/m³
0
55
155
255
425
605+
33.88 ppb
0
55
71
86
201
201+
1.29 ppb
0
36
76
186
605
1005+
3.87 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbus, Ohio
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AQI 33
Good
5.82μg/m³
PM2.5
15.61μg/m³
PM10
25.70ppb
O3
1.65ppb
SO2
10.08ppb
NO2
0.13ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
15.61μg/m³
PM10
26.38ppb
O3
1.53ppb
SO2
10.05ppb
NO2
0.12ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
17.80μg/m³
PM10
23.09ppb
O3
1.70ppb
SO2
10.10ppb
NO2
0.14ppm
CO
AQI 38
Good
6.72μg/m³
PM2.5
17.43μg/m³
PM10
25.74ppb
O3
1.66ppb
SO2
10.13ppb
NO2
0.13ppm
CO
AQI 27
Good
4.87μg/m³
PM2.5
15.93μg/m³
PM10
26.21ppb
O3
1.61ppb
SO2
10.03ppb
NO2
0.13ppm
CO
AQI 27
Good
4.65μg/m³
PM2.5
15.01μg/m³
PM10
26.64ppb
O3
1.40ppb
SO2
10.02ppb
NO2
0.11ppm
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 02:00:00 on 2025-07-16.
The best air quality in Columbus, Ohio was recorded at 03:00:00 on 2025-07-17.
The real-time air quality index in Columbus, Ohio is 33, currently categorized as Good.
The most common pollutant in Columbus, Ohio is PM2.5.
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 5.761 μg/m3.
The current PM10 levels in Columbus, Ohio are 14.815 μg/m3.
The current carbon monoxide (CO) level in Columbus, Ohio is 0.124 ppm.
The current sulfur dioxide (SO2) levels in Columbus, Ohio are 1.673 ppb.
The current ozone (O3) levels at Columbus, Ohio is 26.143 ppm.
The current nitrogen dioxide (NO2) levels at Columbus, Ohio is 10.086 ppb.
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