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)
35
Good
Union City, Tennessee
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.91 μg/m³
0
55
155
255
425
605+
38.42 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
5.51 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Union City, Tennessee
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AQI 25
Good
4.09μg/m³
PM2.5
17.96μg/m³
PM10
27.41ppb
O3
0.26ppb
SO2
5.09ppb
NO2
0.19ppm
CO
AQI 35
Good
4.60μg/m³
PM2.5
20.00μg/m³
PM10
37.59ppb
O3
0.55ppb
SO2
5.54ppb
NO2
0.27ppm
CO
AQI 24
Good
3.87μg/m³
PM2.5
17.10μg/m³
PM10
25.91ppb
O3
0.26ppb
SO2
3.40ppb
NO2
0.17ppm
CO
AQI 25
Good
2.54μg/m³
PM2.5
9.93μg/m³
PM10
27.30ppb
O3
0.08ppb
SO2
3.02ppb
NO2
0.15ppm
CO
AQI 33
Good
4.88μg/m³
PM2.5
20.94μg/m³
PM10
36.13ppb
O3
0.57ppb
SO2
5.25ppb
NO2
0.26ppm
CO
AQI 41
Good
5.80μg/m³
PM2.5
24.99μg/m³
PM10
43.94ppb
O3
0.60ppb
SO2
5.32ppb
NO2
0.26ppm
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 05:00:00, 2025-05-30.
The best air quality in Union City, Tennessee was observed at 11:00:00 on 2025-05-30.
The air quality in Union City, Tennessee right now is Good, with an AQI of 35.
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 4.837 μg/m3.
Union City, Tennessee currently has a PM10 concentration of 20.905 μg/m3.
The current carbon monoxide (CO) level in Union City, Tennessee is 0.255 ppm.
The current sulfur dioxide (SO2) concentration in Union City, Tennessee is 0.609 ppb.
Union City, Tennessee currently has an ozone (O3) concentration of 38.424 ppm.
The current level of nitrogen dioxide (NO2) in Union City, Tennessee is 5.515 ppb.
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