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)
33
Good
Union City, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.82 μg/m³
0
55
155
255
425
605+
25.97 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
2.84 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Union City, Tennessee
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AQI 38
Good
7.42μg/m³
PM2.5
33.26μg/m³
PM10
37.29ppb
O3
0.36ppb
SO2
1.27ppb
NO2
0.14ppm
CO
AQI 27
Good
4.50μg/m³
PM2.5
20.01μg/m³
PM10
25.50ppb
O3
0.83ppb
SO2
3.65ppb
NO2
0.20ppm
CO
AQI 38
Good
6.97μg/m³
PM2.5
31.00μg/m³
PM10
38.49ppb
O3
0.17ppb
SO2
0.63ppb
NO2
0.12ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
30.00μg/m³
PM10
37.83ppb
O3
0.19ppb
SO2
0.90ppb
NO2
0.12ppm
CO
AQI 33
Good
6.12μg/m³
PM2.5
26.49μg/m³
PM10
27.65ppb
O3
0.63ppb
SO2
2.60ppb
NO2
0.19ppm
CO
AQI 27
Good
5.21μg/m³
PM2.5
23.09μg/m³
PM10
28.00ppb
O3
0.75ppb
SO2
2.62ppb
NO2
0.20ppm
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 03:00:00, 2026-03-09.
The best air quality in Union City, Tennessee was observed at 01:00:00 on 2026-03-09.
The air quality in Union City, Tennessee right now is Good, with an AQI of 33.
In Union City, Tennessee, PM2.5 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 5.566 μg/m3.
Union City, Tennessee currently has a PM10 concentration of 25.822 μg/m3.
The current carbon monoxide (CO) level in Union City, Tennessee is 0.2 ppm.
The current sulfur dioxide (SO2) concentration in Union City, Tennessee is 0.778 ppb.
Union City, Tennessee currently has an ozone (O3) concentration of 25.974 ppm.
The current level of nitrogen dioxide (NO2) in Union City, Tennessee is 2.838 ppb.
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