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)
27
Good
Greeneville, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.70 μg/m³
0
55
155
255
425
605+
17.52 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
3.36 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greeneville, Tennessee
Greeneville, Tennessee
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AQI 33
Good
6.08μg/m³
PM2.5
14.71μg/m³
PM10
20.78ppb
O3
0.32ppb
SO2
4.75ppb
NO2
0.16ppm
CO
AQI 22
Good
4.45μg/m³
PM2.5
14.70μg/m³
PM10
20.10ppb
O3
0.19ppb
SO2
3.40ppb
NO2
0.19ppm
CO
AQI 22
Good
3.84μg/m³
PM2.5
15.73μg/m³
PM10
19.12ppb
O3
0.40ppb
SO2
3.40ppb
NO2
0.19ppm
CO
AQI 27
Good
4.63μg/m³
PM2.5
14.74μg/m³
PM10
14.51ppb
O3
0.24ppb
SO2
3.40ppb
NO2
0.20ppm
CO
AQI 27
Good
5.17μg/m³
PM2.5
7.38μg/m³
PM10
22.20ppb
O3
0.19ppb
SO2
3.26ppb
NO2
0.19ppm
CO
AQI 33
Good
5.94μg/m³
PM2.5
16.85μg/m³
PM10
20.11ppb
O3
0.23ppb
SO2
6.08ppb
NO2
0.16ppm
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 05:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Greeneville, Tennessee was observed at 10:00:00 on 2026-09-07.
As of now, the AQI in Greeneville, Tennessee is 27, indicating Good conditions.
Greeneville, Tennessee air has the highest levels of PM2.5.
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 4.511 μg/m3.
The PM10 concentration in Greeneville, Tennessee is 14.695 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Greeneville, Tennessee is 0.182 ppm.
Currently, Greeneville, Tennessee has a sulfur dioxide (SO2) concentration of 0.187 ppb.
The current ozone (O3) level in Greeneville, Tennessee at the moment is 17.524 ppm.
Nitrogen dioxide (NO2) level in Greeneville, Tennessee at the moment is 3.36 ppb.
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