Knox County Tennessee

Air Quality


Open
Burning

Regulated Stationary Sources

Asbestos
Projects

Public
Notices

The mission of Air Quality Management is to achieve and maintain the National Ambient Air Quality Standards in Knox County for all criteria air pollutants designed to protect health and welfare, as set by local, state and federal law. This is accomplished through the following activities:

  • Monitoring of the ambient air to determine air quality levels;
  • Permitting of regulated stationary sources;
  • Conducting compliance evaluations and complaint investigations;
  • Issuing open burning permits; and
  • Providing technical and educational services.

Starting Nov. 1, 2024, KCHD's Air Quality office is closed for lunch from 12-1 p.m. Monday-Friday.

Air Quality Index (AQI)

Air Quality Index (AQI)

Daily AQI Color Levels of Concern Values of Index Description of Air Quality
Green Good 0 to 50 Air quality is considered satisfactory, and air pollution poses little or no risk
Yellow Moderate 51 to 100 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Orange Unhealthy for Sensitive Groups 101 to 150 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Red Unhealthy 151 to 200 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Maroon Very Unhealthy 201 to 300 Health alert: everyone may experience more serious health effects
Purple Hazardous 301 to 500 Health warnings of emergency conditions. The entire population is more likely to be affected.

For more information on the Air Quality Index, please click here.

Questions?

Air Quality Phone: 865-215-5900

Air Quality Fax: 865-215-5902

Contact Air Quality via email here: Email - Knox County Tennessee

Report Illegal Open Burning here: Air Quality - Report Illegal Open Burning - Knox County Tennessee Government.


Have Questions?
Call: 865-215-5555
Email: health@knoxcounty.org



Need to report a public
health emergency?

Call 865-215-5093


Click here to leave a comment or concern.


Main Office
140 Dameron Ave,
Knoxville, TN 37917
865-215-5000
West Clinic
1028 Old Cedar Bluff,
Knoxville, TN 37923
865-215-5950
Hours of Operation:
Monday-Friday
8 a.m.-4:30 p.m.
Some clinics have extended hours.
Please check the clinic's webpage
for their respective hours
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