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)
40
Good
Columbus, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.07 μg/m³
0
55
155
255
425
605+
42.94 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
2.38 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbus, Indiana
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AQI 40
Good
5.49μg/m³
PM2.5
18.73μg/m³
PM10
42.80ppb
O3
0.86ppb
SO2
2.65ppb
NO2
0.14ppm
CO
AQI 38
Good
4.90μg/m³
PM2.5
20.61μg/m³
PM10
40.72ppb
O3
0.93ppb
SO2
1.67ppb
NO2
0.14ppm
CO
AQI 38
Good
4.90μg/m³
PM2.5
19.20μg/m³
PM10
40.53ppb
O3
0.95ppb
SO2
1.97ppb
NO2
0.14ppm
CO
AQI 41
Good
5.50μg/m³
PM2.5
21.20μg/m³
PM10
44.40ppb
O3
0.96ppb
SO2
2.43ppb
NO2
0.14ppm
CO
AQI 39
Good
5.00μg/m³
PM2.5
21.71μg/m³
PM10
42.37ppb
O3
0.93ppb
SO2
1.73ppb
NO2
0.14ppm
CO
AQI 37
Good
4.92μg/m³
PM2.5
21.06μg/m³
PM10
40.23ppb
O3
0.93ppb
SO2
1.38ppb
NO2
0.14ppm
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 02:00:00 on 2026-03-15.
In the last 24 hours, the best air quality in Columbus, Indiana was observed at 10:00:00 on 2026-03-15.
As of now, the AQI in Columbus, Indiana is 40, 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 4.972 μg/m3.
The PM10 concentration in Columbus, Indiana is 20.073 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbus, Indiana is 0.141 ppm.
Currently, Columbus, Indiana has a sulfur dioxide (SO2) concentration of 0.896 ppb.
The current ozone (O3) level in Columbus, Indiana at the moment is 42.942 ppm.
Nitrogen dioxide (NO2) level in Columbus, Indiana at the moment is 2.377 ppb.
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