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)
39
Good
Columbus, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.16 μg/m³
0
55
155
255
425
605+
42.10 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
6.12 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbus, Indiana
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AQI 39
Good
3.78μg/m³
PM2.5
12.14μg/m³
PM10
41.94ppb
O3
0.48ppb
SO2
5.93ppb
NO2
0.12ppm
CO
AQI 38
Good
5.16μg/m³
PM2.5
23.22μg/m³
PM10
40.95ppb
O3
0.56ppb
SO2
5.60ppb
NO2
0.13ppm
CO
AQI 38
Good
5.19μg/m³
PM2.5
23.36μg/m³
PM10
41.19ppb
O3
0.75ppb
SO2
6.11ppb
NO2
0.13ppm
CO
AQI 40
Good
4.76μg/m³
PM2.5
16.22μg/m³
PM10
42.51ppb
O3
0.92ppb
SO2
6.92ppb
NO2
0.12ppm
CO
AQI 38
Good
5.18μg/m³
PM2.5
23.05μg/m³
PM10
41.42ppb
O3
0.55ppb
SO2
5.54ppb
NO2
0.13ppm
CO
AQI 39
Good
5.29μg/m³
PM2.5
23.61μg/m³
PM10
42.16ppb
O3
0.56ppb
SO2
5.32ppb
NO2
0.13ppm
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 08:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Columbus, Indiana was observed at 03:00:00 on 2026-07-23.
As of now, the AQI in Columbus, Indiana is 39, 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 3.747 μg/m3.
The PM10 concentration in Columbus, Indiana is 16.16 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbus, Indiana is 0.127 ppm.
Currently, Columbus, Indiana has a sulfur dioxide (SO2) concentration of 0.539 ppb.
The current ozone (O3) level in Columbus, Indiana at the moment is 42.102 ppm.
Nitrogen dioxide (NO2) level in Columbus, Indiana at the moment is 6.115 ppb.
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