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)
33
Good
Columbia, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.54 μg/m³
0
55
155
255
425
605+
35.89 ppb
0
55
71
86
201
201+
0.95 ppb
0
36
76
186
605
1005+
1.50 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbia, Missouri
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AQI 35
Good
4.82μg/m³
PM2.5
33.94μg/m³
PM10
38.42ppb
O3
0.95ppb
SO2
1.69ppb
NO2
0.21ppm
CO
AQI 39
Good
6.91μg/m³
PM2.5
37.80μg/m³
PM10
41.76ppb
O3
0.96ppb
SO2
1.84ppb
NO2
0.22ppm
CO
AQI 37
Good
4.77μg/m³
PM2.5
24.21μg/m³
PM10
39.74ppb
O3
0.93ppb
SO2
1.08ppb
NO2
0.21ppm
CO
AQI 36
Good
4.80μg/m³
PM2.5
24.21μg/m³
PM10
39.42ppb
O3
1.03ppb
SO2
1.31ppb
NO2
0.20ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
29.96μg/m³
PM10
33.86ppb
O3
0.49ppb
SO2
0.64ppb
NO2
0.19ppm
CO
AQI 49
Good
8.77μg/m³
PM2.5
38.70μg/m³
PM10
38.45ppb
O3
0.62ppb
SO2
0.64ppb
NO2
0.20ppm
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 12:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Columbia, Missouri was observed at 04:00:00 on 2026-07-23.
As of now, the AQI in Columbia, Missouri is 33, 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 6.465 μg/m3.
The PM10 concentration in Columbia, Missouri is 35.536 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbia, Missouri is 0.206 ppm.
Currently, Columbia, Missouri has a sulfur dioxide (SO2) concentration of 0.947 ppb.
The current ozone (O3) level in Columbia, Missouri at the moment is 35.889 ppm.
Nitrogen dioxide (NO2) level in Columbia, Missouri at the moment is 1.501 ppb.
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