Stay updated with real-time air quality in Smyrna, 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)
25
Good
Smyrna, Tennessee
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.15 μg/m³
0
55
155
255
425
605+
26.98 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
4.01 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Smyrna, Tennessee
Scroll To Air Quality MapLoading...
AQI 38
Good
7.35μg/m³
PM2.5
19.89μg/m³
PM10
38.22ppb
O3
0.65ppb
SO2
4.76ppb
NO2
0.24ppm
CO
AQI 44
Good
7.53μg/m³
PM2.5
29.68μg/m³
PM10
38.56ppb
O3
0.64ppb
SO2
4.74ppb
NO2
0.24ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
29.20μg/m³
PM10
36.60ppb
O3
0.65ppb
SO2
4.77ppb
NO2
0.24ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
29.52μg/m³
PM10
40.53ppb
O3
0.65ppb
SO2
4.79ppb
NO2
0.24ppm
CO
AQI 38
Good
7.47μg/m³
PM2.5
20.62μg/m³
PM10
39.49ppb
O3
0.64ppb
SO2
4.73ppb
NO2
0.25ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
17.01μg/m³
PM10
37.49ppb
O3
0.64ppb
SO2
4.81ppb
NO2
0.24ppm
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 Smyrna, Tennessee is updated every hour.
The worst air quality in Smyrna, Tennessee in the last 24 hours was observed at 08:00:00 on 2025-07-17.
In the last 24 hrs, the best air quality in Smyrna, Tennessee was observed at 02:00:00 on 2025-07-17.
The current air quality in Smyrna, Tennessee is 38, categorized as Good based on real-time data.
The most common pollutant in Smyrna, Tennessee is PM2.5.
If the air quality in Smyrna, Tennessee is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Smyrna, Tennessee is 7.235 μg/m3.
The current PM10 concentration at Smyrna, Tennessee is 25.52 μg/m3.
The current carbon monoxide (CO) concentration at Smyrna, Tennessee is 0.243 ppm.
The current sulfur dioxide (SO2) concentration at Smyrna, Tennessee is 0.645 ppb.
The current ozone (O3) concentration at Smyrna, Tennessee is 39.331 ppm.
The current nitrogen dioxide (NO2) concentration at Smyrna, Tennessee is 4.762 ppb.
All Rights Reserved © Ambee Inc. 2025