Stay updated with real-time air quality in Columbia, Tennessee 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)
49
Good
Columbia, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.64 μg/m³
0
55
155
255
425
605+
20.73 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
6.89 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Columbia, Tennessee
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AQI 49
Good
8.50μg/m³
PM2.5
34.45μg/m³
PM10
21.55ppb
O3
0.89ppb
SO2
9.21ppb
NO2
0.24ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
33.05μg/m³
PM10
21.21ppb
O3
0.79ppb
SO2
9.28ppb
NO2
0.24ppm
CO
AQI 44
Good
8.11μg/m³
PM2.5
33.20μg/m³
PM10
21.84ppb
O3
0.89ppb
SO2
9.45ppb
NO2
0.23ppm
CO
AQI 44
Good
7.59μg/m³
PM2.5
29.11μg/m³
PM10
21.00ppb
O3
0.87ppb
SO2
8.06ppb
NO2
0.23ppm
CO
AQI 38
Good
7.12μg/m³
PM2.5
31.96μg/m³
PM10
21.66ppb
O3
0.77ppb
SO2
7.41ppb
NO2
0.24ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
24.31μg/m³
PM10
21.08ppb
O3
0.90ppb
SO2
9.45ppb
NO2
0.23ppm
CO
Air quality data and pollutant measurements for Tennessee, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Columbia, Tennessee is updated every hour.
The worst air quality in Columbia, Tennessee in the last 24 hours was observed at 08:00:00 on 2026-03-10.
In the last 24 hrs, the best air quality in Columbia, Tennessee was observed at 04:00:00 on 2026-03-10.
The current air quality in Columbia, Tennessee is 49, categorized as Good based on real-time data.
The most common pollutant in Columbia, Tennessee is PM2.5.
If the air quality in Columbia, Tennessee is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Columbia, Tennessee is 8.665 μg/m3.
The current PM10 concentration at Columbia, Tennessee is 37.642 μg/m3.
The current carbon monoxide (CO) concentration at Columbia, Tennessee is 0.255 ppm.
The current sulfur dioxide (SO2) concentration at Columbia, Tennessee is 0.764 ppb.
The current ozone (O3) concentration at Columbia, Tennessee is 20.73 ppm.
The current nitrogen dioxide (NO2) concentration at Columbia, Tennessee is 6.888 ppb.
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