Stay updated with real-time air quality in Greeneville, 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)
40
Good
Greeneville, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.28 μg/m³
0
55
155
255
425
605+
42.81 ppb
0
55
71
86
201
201+
3.05 ppb
0
36
76
186
605
1005+
2.69 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Greeneville, Tennessee
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AQI 36
Good
5.78μg/m³
PM2.5
20.33μg/m³
PM10
38.89ppb
O3
4.78ppb
SO2
4.90ppb
NO2
0.22ppm
CO
AQI 40
Good
5.06μg/m³
PM2.5
20.40μg/m³
PM10
42.52ppb
O3
5.53ppb
SO2
3.14ppb
NO2
0.12ppm
CO
AQI 35
Good
2.52μg/m³
PM2.5
12.91μg/m³
PM10
38.36ppb
O3
5.44ppb
SO2
3.15ppb
NO2
0.10ppm
CO
AQI 41
Good
4.72μg/m³
PM2.5
18.00μg/m³
PM10
44.12ppb
O3
5.28ppb
SO2
3.14ppb
NO2
0.11ppm
CO
AQI 41
Good
5.04μg/m³
PM2.5
7.79μg/m³
PM10
43.54ppb
O3
4.42ppb
SO2
2.95ppb
NO2
0.20ppm
CO
AQI 38
Good
6.57μg/m³
PM2.5
25.41μg/m³
PM10
37.24ppb
O3
4.34ppb
SO2
5.80ppb
NO2
0.24ppm
CO
Air quality and pollutant data for Tennessee, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Greeneville, Tennessee is updated every hour for accuracy.
In the past 24 hours, the air quality in Greeneville, Tennessee was at its worst at 08:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Greeneville, Tennessee was observed at 10:00:00 on 2026-03-09.
As of now, the AQI in Greeneville, Tennessee is 40, indicating Good conditions.
Greeneville, Tennessee air has the highest levels of O3.
Poor air quality in Greeneville, Tennessee means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Greeneville, Tennessee are currently 5.212 μg/m3.
The PM10 concentration in Greeneville, Tennessee is 17.28 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greeneville, Tennessee is 0.189 ppm.
Currently, Greeneville, Tennessee has a sulfur dioxide (SO2) concentration of 3.046 ppb.
The current ozone (O3) level in Greeneville, Tennessee at the moment is 42.814 ppm.
Nitrogen dioxide (NO2) level in Greeneville, Tennessee at the moment is 2.691 ppb.
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