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)
29
Good
Columbia, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.87 μg/m³
0
55
155
255
425
605+
30.67 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
4.04 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbia, Missouri
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AQI 38
Good
7.46μg/m³
PM2.5
27.14μg/m³
PM10
26.22ppb
O3
2.20ppb
SO2
1.75ppb
NO2
0.17ppm
CO
AQI 44
Good
8.08μg/m³
PM2.5
29.87μg/m³
PM10
25.38ppb
O3
2.53ppb
SO2
1.91ppb
NO2
0.17ppm
CO
AQI 38
Good
7.07μg/m³
PM2.5
26.93μg/m³
PM10
26.79ppb
O3
1.71ppb
SO2
1.36ppb
NO2
0.17ppm
CO
AQI 44
Good
7.86μg/m³
PM2.5
27.82μg/m³
PM10
29.72ppb
O3
1.83ppb
SO2
1.80ppb
NO2
0.17ppm
CO
AQI 49
Good
9.25μg/m³
PM2.5
41.21μg/m³
PM10
24.49ppb
O3
0.40ppb
SO2
0.74ppb
NO2
0.13ppm
CO
AQI 49
Good
8.94μg/m³
PM2.5
39.15μg/m³
PM10
24.44ppb
O3
0.37ppb
SO2
0.68ppb
NO2
0.13ppm
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 09:00:00 on 2025-07-20.
In the last 24 hours, the best air quality in Columbia, Missouri was observed at 07:00:00 on 2025-07-19.
As of now, the AQI in Columbia, Missouri is 44, indicating Good conditions.
Columbia, Missouri air has the highest levels of PM2.5.
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 8.357 μg/m3.
The PM10 concentration in Columbia, Missouri is 40.776 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Columbia, Missouri is 0.194 ppm.
Currently, Columbia, Missouri has a sulfur dioxide (SO2) concentration of 0.98 ppb.
The current ozone (O3) level in Columbia, Missouri at the moment is 27.707 ppm.
Nitrogen dioxide (NO2) level in Columbia, Missouri at the moment is 1.754 ppb.
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