Stay updated with real-time air quality in Gahanna, 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)
27
Good
Gahanna, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.23 μg/m³
0
55
155
255
425
605+
19.72 ppb
0
55
71
86
201
201+
1.68 ppb
0
36
76
186
605
1005+
4.18 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Gahanna, Ohio
Gahanna, Ohio
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AQI 27
Good
5.09μg/m³
PM2.5
13.19μg/m³
PM10
20.79ppb
O3
1.78ppb
SO2
4.59ppb
NO2
0.32ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
11.62μg/m³
PM10
19.33ppb
O3
1.77ppb
SO2
3.83ppb
NO2
0.31ppm
CO
AQI 27
Good
4.73μg/m³
PM2.5
20.69μg/m³
PM10
19.05ppb
O3
1.56ppb
SO2
4.57ppb
NO2
0.32ppm
CO
AQI 27
Good
5.20μg/m³
PM2.5
13.89μg/m³
PM10
22.19ppb
O3
1.58ppb
SO2
4.58ppb
NO2
0.32ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
10.92μg/m³
PM10
18.79ppb
O3
1.82ppb
SO2
3.58ppb
NO2
0.31ppm
CO
AQI 27
Good
5.33μg/m³
PM2.5
13.01μg/m³
PM10
19.47ppb
O3
1.76ppb
SO2
3.68ppb
NO2
0.31ppm
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 Gahanna, Ohio is updated on an hourly basis.
The worst air quality in Gahanna, Ohio was recorded at 03:00:00 on 2026-09-07.
The best air quality in Gahanna, Ohio was recorded at 12:00:00 on 2026-09-07.
The real-time air quality index in Gahanna, Ohio is 27, currently categorized as Good.
The most common pollutant in Gahanna, Ohio is PM2.5.
If the air quality in Gahanna, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Gahanna, Ohio at present are 5.164 μg/m3.
The current PM10 levels in Gahanna, Ohio are 15.227 μg/m3.
The current carbon monoxide (CO) level in Gahanna, Ohio is 0.314 ppm.
The current sulfur dioxide (SO2) levels in Gahanna, Ohio are 1.675 ppb.
The current ozone (O3) levels at Gahanna, Ohio is 19.724 ppm.
The current nitrogen dioxide (NO2) levels at Gahanna, Ohio is 4.184 ppb.
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