Stay updated with real-time air quality in Columbia, Missouri 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)
35
Good
Columbia, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.31 μg/m³
0
55
155
255
425
605+
37.64 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
4.36 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbia, Missouri
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AQI 38
Good
7.43μg/m³
PM2.5
28.27μg/m³
PM10
38.69ppb
O3
0.72ppb
SO2
5.51ppb
NO2
0.17ppm
CO
AQI 38
Good
6.83μg/m³
PM2.5
22.89μg/m³
PM10
38.04ppb
O3
0.69ppb
SO2
6.15ppb
NO2
0.20ppm
CO
AQI 38
Good
7.26μg/m³
PM2.5
34.05μg/m³
PM10
38.02ppb
O3
0.79ppb
SO2
4.00ppb
NO2
0.17ppm
CO
AQI 33
Good
5.88μg/m³
PM2.5
22.77μg/m³
PM10
35.19ppb
O3
0.65ppb
SO2
4.70ppb
NO2
0.17ppm
CO
AQI 37
Good
3.41μg/m³
PM2.5
15.00μg/m³
PM10
39.72ppb
O3
0.06ppb
SO2
1.12ppb
NO2
0.13ppm
CO
AQI 36
Good
3.33μg/m³
PM2.5
14.94μg/m³
PM10
39.00ppb
O3
0.07ppb
SO2
0.99ppb
NO2
0.12ppm
CO
Air quality and pollutant data for Missouri, 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 Columbia, Missouri is updated every hour for accuracy.
In the past 24 hours, the air quality in Columbia, Missouri was at its worst at 10:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Columbia, Missouri was observed at 06:00:00 on 2026-04-23.
As of now, the AQI in Columbia, Missouri is 35, indicating Good conditions.
Columbia, Missouri air has the highest levels of O3.
Poor air quality in Columbia, Missouri means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Columbia, Missouri are currently 6.044 μg/m3.
The PM10 concentration in Columbia, Missouri is 27.314 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbia, Missouri is 0.174 ppm.
Currently, Columbia, Missouri has a sulfur dioxide (SO2) concentration of 0.653 ppb.
The current ozone (O3) level in Columbia, Missouri at the moment is 37.636 ppm.
Nitrogen dioxide (NO2) level in Columbia, Missouri at the moment is 4.357 ppb.
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