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)
29
Good
Union City, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.85 μg/m³
0
55
155
255
425
605+
31.23 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
7.19 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Union City, Tennessee
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AQI 27
Good
2.43μg/m³
PM2.5
12.73μg/m³
PM10
29.12ppb
O3
0.61ppb
SO2
4.04ppb
NO2
0.19ppm
CO
AQI 33
Good
2.40μg/m³
PM2.5
10.02μg/m³
PM10
36.15ppb
O3
0.75ppb
SO2
5.17ppb
NO2
0.21ppm
CO
AQI 27
Good
3.17μg/m³
PM2.5
14.00μg/m³
PM10
28.95ppb
O3
0.74ppb
SO2
3.10ppb
NO2
0.18ppm
CO
AQI 27
Good
4.21μg/m³
PM2.5
18.87μg/m³
PM10
29.24ppb
O3
0.97ppb
SO2
4.57ppb
NO2
0.20ppm
CO
AQI 32
Good
3.42μg/m³
PM2.5
13.83μg/m³
PM10
35.24ppb
O3
0.71ppb
SO2
6.13ppb
NO2
0.23ppm
CO
AQI 29
Good
1.50μg/m³
PM2.5
6.00μg/m³
PM10
30.87ppb
O3
0.71ppb
SO2
9.67ppb
NO2
0.22ppm
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 06:00:00, 2026-01-22.
The best air quality in Union City, Tennessee was observed at 06:00:00 on 2026-01-22.
The air quality in Union City, Tennessee right now is Good, with an AQI of 29.
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 3.392 μg/m3.
Union City, Tennessee currently has a PM10 concentration of 16.852 μg/m3.
The current carbon monoxide (CO) level in Union City, Tennessee is 0.233 ppm.
The current sulfur dioxide (SO2) concentration in Union City, Tennessee is 0.789 ppb.
Union City, Tennessee currently has an ozone (O3) concentration of 31.227 ppm.
The current level of nitrogen dioxide (NO2) in Union City, Tennessee is 7.189 ppb.
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