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)
32
Good
Columbia, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.96 μg/m³
0
55
155
255
425
605+
29.48 ppb
0
55
71
86
201
201+
1.09 ppb
0
36
76
186
605
1005+
2.32 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 19
Good
3.38μg/m³
PM2.5
20.82μg/m³
PM10
20.61ppb
O3
0.95ppb
SO2
3.60ppb
NO2
0.21ppm
CO
AQI 22
Good
3.88μg/m³
PM2.5
18.73μg/m³
PM10
23.58ppb
O3
0.97ppb
SO2
3.85ppb
NO2
0.23ppm
CO
AQI 16
Good
3.04μg/m³
PM2.5
13.81μg/m³
PM10
15.50ppb
O3
0.82ppb
SO2
2.35ppb
NO2
0.20ppm
CO
AQI 23
Good
4.40μg/m³
PM2.5
25.05μg/m³
PM10
13.83ppb
O3
0.99ppb
SO2
2.68ppb
NO2
0.21ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
19.88μg/m³
PM10
12.89ppb
O3
0.37ppb
SO2
2.43ppb
NO2
0.13ppm
CO
AQI 27
Good
5.40μg/m³
PM2.5
23.00μg/m³
PM10
14.81ppb
O3
0.46ppb
SO2
2.90ppb
NO2
0.14ppm
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 2025-10-21.
In the last 24 hours, the best air quality in Columbia, Missouri was observed at 09:00:00 on 2025-10-22.
As of now, the AQI in Columbia, Missouri is 31, indicating Good conditions.
Columbia, Missouri air has the highest levels of PM10.
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 4.181 μg/m3.
The PM10 concentration in Columbia, Missouri is 33.387 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbia, Missouri is 0.333 ppm.
Currently, Columbia, Missouri has a sulfur dioxide (SO2) concentration of 0.932 ppb.
The current ozone (O3) level in Columbia, Missouri at the moment is 7.593 ppm.
Nitrogen dioxide (NO2) level in Columbia, Missouri at the moment is 4.806 ppb.
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