Stay updated with real-time air quality in Union City, 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)
27
Good
Union City, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.96 μg/m³
0
55
155
255
425
605+
21.22 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
4.79 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Union City, Tennessee
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AQI 33
Good
5.63μg/m³
PM2.5
24.85μg/m³
PM10
30.04ppb
O3
0.25ppb
SO2
3.23ppb
NO2
0.14ppm
CO
AQI 22
Good
3.90μg/m³
PM2.5
17.02μg/m³
PM10
21.28ppb
O3
0.50ppb
SO2
4.33ppb
NO2
0.23ppm
CO
AQI 31
Good
4.90μg/m³
PM2.5
21.10μg/m³
PM10
33.52ppb
O3
0.08ppb
SO2
2.00ppb
NO2
0.12ppm
CO
AQI 35
Good
6.25μg/m³
PM2.5
27.95μg/m³
PM10
37.95ppb
O3
0.17ppb
SO2
3.72ppb
NO2
0.12ppm
CO
AQI 19
Good
3.24μg/m³
PM2.5
13.69μg/m³
PM10
21.27ppb
O3
0.65ppb
SO2
5.43ppb
NO2
0.22ppm
CO
AQI 16
Good
2.50μg/m³
PM2.5
10.06μg/m³
PM10
17.02ppb
O3
0.68ppb
SO2
4.35ppb
NO2
0.24ppm
CO
The air quality data for Tennessee, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Union City, Tennessee are available every hour.
Union City, Tennessee experienced its worst air quality at 09:00:00, 2026-06-07.
The best air quality in Union City, Tennessee was observed at 08:00:00 on 2026-06-08.
The air quality in Union City, Tennessee right now is Good, with an AQI of 19.
In Union City, Tennessee, O3 is the most frequently found pollutant.
When air quality in Union City, Tennessee is compromised, staying indoors and wearing a mask can reduce health risks.
Union City, Tennessee currently has a PM2.5 concentration of 3.409 μg/m3.
Union City, Tennessee currently has a PM10 concentration of 13.877 μg/m3.
The current carbon monoxide (CO) level in Union City, Tennessee is 0.223 ppm.
The current sulfur dioxide (SO2) concentration in Union City, Tennessee is 0.784 ppb.
Union City, Tennessee currently has an ozone (O3) concentration of 21.203 ppm.
The current level of nitrogen dioxide (NO2) in Union City, Tennessee is 4.354 ppb.
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