Knoxville air quality · Tennessee, United States
Your lungs have an easier day when the air stays this clean
US AQI 38 (Good) in Knoxville, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Knoxville
- PM2.538AQI
- Ozone7AQI
US values are per-pollutant AQI from the highest-reading monitor near Knoxville (AIR LAB).
Is it safe outside in Knoxville right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Knoxville air quality history
Daily average, 36 days- 45average daily US AQI over 36 days
- 66worst day, 17 September
- 22cleanest day, 18 October
- 0days at Unhealthy or worse
The last 7 days averaged 46, worse than the week before (38). 20 of the last 36 days were Good.
Weather in Knoxville
No active National Weather Service alerts for Knoxville.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Sunny | 72°F | 43°F | 0% |
| Tue 20 | Sunny | 73°F | 43°F | 0% |
| Wed 21 | Sunny | 73°F | 45°F | 0% |
| Thu 22 | Sunny | 72°F | 45°F | 0% |
| Fri 23 | Sunny | 73°F | 45°F | 0% |
| Sat 24 | Sunny | 73°F | 45°F | 0% |
| Sun 25 | Sunny | 73°F | 46°F | 0% |
National Weather Service forecast. All US weather alerts →
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Knoxville air quality: common questions
What is the AQI in Knoxville right now?
The US AQI in Knoxville is 38 (Good). The main pollutant is PM2.5.
Is it safe to go outside in Knoxville today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
How has air quality in Knoxville been recently?
Over the last 36 days with data, Knoxville averaged US AQI 45. The worst day was 17 September at 66; the cleanest was 18 October at 22. 0 days were at Unhealthy or worse.
Where does Knoxville's air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.