Stay updated with real-time air quality in Columbus, Indiana 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)
46
Good
Columbus, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.86 μg/m³
0
55
155
255
425
605+
50.43 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
3.23 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbus, Indiana
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AQI 45
Good
3.90μg/m³
PM2.5
14.26μg/m³
PM10
49.26ppb
O3
0.56ppb
SO2
3.55ppb
NO2
0.17ppm
CO
AQI 43
Good
3.56μg/m³
PM2.5
15.44μg/m³
PM10
45.74ppb
O3
1.02ppb
SO2
2.65ppb
NO2
0.18ppm
CO
AQI 44
Good
3.54μg/m³
PM2.5
13.53μg/m³
PM10
46.76ppb
O3
1.26ppb
SO2
2.85ppb
NO2
0.18ppm
CO
AQI 46
Good
4.13μg/m³
PM2.5
15.23μg/m³
PM10
49.52ppb
O3
2.05ppb
SO2
3.24ppb
NO2
0.17ppm
CO
AQI 40
Good
3.62μg/m³
PM2.5
17.88μg/m³
PM10
43.42ppb
O3
0.51ppb
SO2
2.64ppb
NO2
0.18ppm
CO
AQI 40
Good
3.83μg/m³
PM2.5
15.66μg/m³
PM10
43.39ppb
O3
0.90ppb
SO2
2.40ppb
NO2
0.19ppm
CO
Air quality and pollutant data for Indiana, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Columbus, Indiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Columbus, Indiana was at its worst at 09:00:00 on 2026-06-13.
In the last 24 hours, the best air quality in Columbus, Indiana was observed at 10:00:00 on 2026-06-13.
As of now, the AQI in Columbus, Indiana is 46, indicating Good conditions.
Columbus, Indiana air has the highest levels of O3.
Poor air quality in Columbus, Indiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Columbus, Indiana are currently 3.744 μg/m3.
The PM10 concentration in Columbus, Indiana is 14.861 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbus, Indiana is 0.173 ppm.
Currently, Columbus, Indiana has a sulfur dioxide (SO2) concentration of 0.553 ppb.
The current ozone (O3) level in Columbus, Indiana at the moment is 50.434 ppm.
Nitrogen dioxide (NO2) level in Columbus, Indiana at the moment is 3.234 ppb.
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