Stay updated with real-time air quality in Collierville, 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)
38
Good
Collierville, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.10 μg/m³
0
55
155
255
425
605+
23.46 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
2.33 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Collierville, Tennessee
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AQI 38
Good
6.74μg/m³
PM2.5
30.11μg/m³
PM10
20.08ppb
O3
0.53ppb
SO2
3.54ppb
NO2
0.17ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
29.98μg/m³
PM10
23.53ppb
O3
0.34ppb
SO2
3.50ppb
NO2
0.17ppm
CO
AQI 33
Good
6.47μg/m³
PM2.5
31.60μg/m³
PM10
21.98ppb
O3
0.35ppb
SO2
3.58ppb
NO2
0.18ppm
CO
AQI 38
Good
6.75μg/m³
PM2.5
30.19μg/m³
PM10
20.04ppb
O3
0.54ppb
SO2
3.55ppb
NO2
0.17ppm
CO
AQI 33
Good
6.45μg/m³
PM2.5
31.00μg/m³
PM10
22.08ppb
O3
0.34ppb
SO2
2.34ppb
NO2
0.18ppm
CO
AQI 38
Good
6.67μg/m³
PM2.5
30.54μg/m³
PM10
21.16ppb
O3
0.35ppb
SO2
2.38ppb
NO2
0.18ppm
CO
Air quality measurements for Tennessee, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Collierville, Tennessee is updated on an hourly basis.
The worst air quality in Collierville, Tennessee was recorded at 03:00:00 on 2026-03-09.
The best air quality in Collierville, Tennessee was recorded at 02:00:00 on 2026-03-09.
The real-time air quality index in Collierville, Tennessee is 38, currently categorized as Good.
The most common pollutant in Collierville, Tennessee is PM2.5.
If the air quality in Collierville, Tennessee is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Collierville, Tennessee at present are 6.505 μg/m3.
The current PM10 levels in Collierville, Tennessee are 30.096 μg/m3.
The current carbon monoxide (CO) level in Collierville, Tennessee is 0.174 ppm.
The current sulfur dioxide (SO2) levels in Collierville, Tennessee are 0.34 ppb.
The current ozone (O3) levels at Collierville, Tennessee is 23.456 ppm.
The current nitrogen dioxide (NO2) levels at Collierville, Tennessee is 2.335 ppb.
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