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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.54 μg/m³
0
55
155
255
425
605+
37.94 ppb
0
55
71
86
201
201+
1.06 ppb
0
36
76
186
605
1005+
3.65 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbus, Ohio
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AQI 44
Good
7.57μg/m³
PM2.5
15.25μg/m³
PM10
38.35ppb
O3
1.05ppb
SO2
3.71ppb
NO2
0.13ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
18.70μg/m³
PM10
36.84ppb
O3
1.06ppb
SO2
3.17ppb
NO2
0.12ppm
CO
AQI 44
Good
7.68μg/m³
PM2.5
25.70μg/m³
PM10
39.90ppb
O3
1.01ppb
SO2
3.85ppb
NO2
0.15ppm
CO
AQI 44
Good
8.48μg/m³
PM2.5
16.33μg/m³
PM10
35.74ppb
O3
1.07ppb
SO2
3.51ppb
NO2
0.13ppm
CO
AQI 37
Good
6.43μg/m³
PM2.5
16.88μg/m³
PM10
39.83ppb
O3
1.02ppb
SO2
3.75ppb
NO2
0.14ppm
CO
AQI 38
Good
7.40μg/m³
PM2.5
21.18μg/m³
PM10
36.52ppb
O3
1.06ppb
SO2
2.88ppb
NO2
0.12ppm
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 2026-06-08.
The best air quality in Columbus, Ohio was recorded at 08:00:00 on 2026-06-07.
The real-time air quality index in Columbus, Ohio is 44, 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 7.604 μg/m3.
The current PM10 levels in Columbus, Ohio are 14.536 μg/m3.
The current carbon monoxide (CO) level in Columbus, Ohio is 0.13 ppm.
The current sulfur dioxide (SO2) levels in Columbus, Ohio are 1.061 ppb.
The current ozone (O3) levels at Columbus, Ohio is 37.942 ppm.
The current nitrogen dioxide (NO2) levels at Columbus, Ohio is 3.648 ppb.
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