AirNow
Tennessee Air Quality Today
Current air quality index readings and forecasts for Tennessee reporting areas, for ozone and fine particles.
- Checked every 30 minutes
- AQI from 0 to 500
Photo: Knoxville skyline from the Tennessee River. AppalachianCentrist, CC BY-SA 4.0
Map
Tennessee air quality on the map
AQI
Tennessee air quality by reporting area
AirNow categories: Good, Moderate, Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy and Hazardous.
Source updated Oct 1, 10:00 pm ET (9:00 pm CT) ยท Retrieved Oct 1, 11:05 pm ET (10:05 pm CT)
| Area | Pollutant | Current AQI | Forecast today | Forecast tomorrow |
|---|---|---|---|---|
| Athens | PM2.5 | 51 Moderate | ||
| Chattanooga | Ozone | 47 Good | 51 Moderate | 50 Good |
| Chattanooga | PM2.5 | 60 Moderate | 51 Moderate | 52 Moderate |
| Clarksville-Montgomery County | Ozone | 38 Good | 51 Moderate | 46 Good |
| Clarksville-Montgomery County | PM2.5 | 53 Moderate | 51 Moderate | 50 Good |
| Cookeville | PM2.5 | 52 Moderate | ||
| Dyersburg | PM2.5 | 27 Good | ||
| Great Smoky Mtns. Natl. Park – TN | Ozone | 39 Good | 51 Moderate | 50 Good |
| Great Smoky Mtns. Natl. Park – TN | PM2.5 | 51 Moderate | 51 Moderate | |
| Jackson | PM2.5 | 27 Good | ||
| Knoxville | Ozone | 40 Good | 51 Moderate | 50 Good |
| Knoxville | PM2.5 | 58 Moderate | 51 Moderate | 51 Moderate |
| Loretto | PM2.5 | 50 Good | ||
| Memphis | Ozone | 33 Good | 64 Moderate | 42 Good |
| Memphis | PM2.5 | 20 Good | 56 Moderate | 47 Good |
| Nashville | Ozone | 44 Good | 100 Moderate | 50 Good |
| Nashville | PM10 | 25 Good | ||
| Nashville | PM2.5 | 56 Moderate | 51 Moderate | 51 Moderate |
| Speedwell | Ozone | 35 Good | ||
| Tri-Cities | Ozone | 31 Good | 51 Moderate | 50 Good |
| Tri-Cities | PM10 | 20 Good | ||
| Tri-Cities | PM2.5 | 53 Moderate | 50 Good | 47 Good |
Current readings are preliminary and have not been verified by the reporting agency. Blank cells mean AirNow gave no value.
Tennessee air quality questions
What is the air quality in Tennessee today?
The highest current reading on AirNow was Chattanooga, with a PM2.5 AQI of 60 (Moderate) as of 11:05 pm ET on Oct 1. AirNow readings are preliminary.
Where does the air quality data come from?
AirNow, run by the EPA with state and local agencies. In Tennessee the readings come from the state Division of Air Pollution Control and county and city agencies.
What is the AQI?
The Air Quality Index turns pollutant levels into a 0 to 500 scale. Up to 50 is Good and 51 to 100 is Moderate.
What are ozone and PM2.5?
Ground-level ozone forms in sunlight from vehicle and industrial emissions. PM2.5 is fine particles from smoke, dust and combustion.
What is an action day?
A day the local agency forecasts unhealthy air and asks people to cut emissions, such as by driving less.
Why is my town not listed?
AirNow reports by reporting area, usually a metro area with monitors. Use the nearest listed area.
Also checked
Beyond air quality: more Tennessee conditions
Where the data for air quality comes from
Every reading is credited to its source, with the time it was taken. Corrections and source questions go to the sources page.
Photo: Chattanooga and Lookout Mountain from the Tennessee River. Breethol, CC BY-SA 4.0
