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)
49
Good
Collierville, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.30 μg/m³
0
55
155
255
425
605+
32.13 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
2.71 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Collierville, Tennessee
Collierville, Tennessee
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AQI 49
Good
9.34μg/m³
PM2.5
38.83μg/m³
PM10
33.64ppb
O3
0.86ppb
SO2
2.99ppb
NO2
0.19ppm
CO
AQI 49
Good
9.39μg/m³
PM2.5
26.05μg/m³
PM10
23.54ppb
O3
0.83ppb
SO2
2.89ppb
NO2
0.19ppm
CO
AQI 49
Good
9.15μg/m³
PM2.5
41.15μg/m³
PM10
25.26ppb
O3
0.86ppb
SO2
2.98ppb
NO2
0.19ppm
CO
AQI 49
Good
9.46μg/m³
PM2.5
39.92μg/m³
PM10
33.35ppb
O3
0.86ppb
SO2
3.01ppb
NO2
0.19ppm
CO
AQI 49
Good
9.38μg/m³
PM2.5
20.64μg/m³
PM10
28.43ppb
O3
0.83ppb
SO2
2.87ppb
NO2
0.20ppm
CO
AQI 49
Good
9.23μg/m³
PM2.5
40.09μg/m³
PM10
22.73ppb
O3
0.86ppb
SO2
2.96ppb
NO2
0.19ppm
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 08:00:00 on 2026-09-06.
The best air quality in Collierville, Tennessee was recorded at 09:00:00 on 2026-09-07.
The real-time air quality index in Collierville, Tennessee is 49, 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 8.833 μg/m3.
The current PM10 levels in Collierville, Tennessee are 18.298 μg/m3.
The current carbon monoxide (CO) level in Collierville, Tennessee is 0.206 ppm.
The current sulfur dioxide (SO2) levels in Collierville, Tennessee are 0.899 ppb.
The current ozone (O3) levels at Collierville, Tennessee is 32.132 ppm.
The current nitrogen dioxide (NO2) levels at Collierville, Tennessee is 2.713 ppb.
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