Worst air pollution Happy Holler - Knoxville, today and tomorrow
Today (16 July): Air quality in Happy Holler is fair. PM2.5, NO2, and PM1 are fair; AQI and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 9:00 AM (O3: 54.3/100).
Tomorrow (17 July 2026): Air quality in Happy Holler is fair. All pollutants stay as today. Pollution peaks around 10:00 AM (O3: 59.2/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Knoxville's Happy Holler air quality reflects the historic North Knoxville commercial and residential corridor, with vehicle traffic on the surrounding North Central Street corridor contributing local sources. The neighbourhood's increasing arts and residential revival character and the walkable scale generally maintain moderate Knoxville metropolitan readings, while the Tennessee Valley's topographic enclosure creates seasonal inversion episodes throughout the year.
Today - 16 July | Pollution peaks at 09:00
AQI:
Medium
54.3/100
PM2.5 (fine particles):
Fair
21.9/100
PM10 (coarse particles):
Good
10.7/100
NO2 (nitrogen dioxide):
Fair
33.1/100
O3 (ozone):
Medium
54.3/100
SO2 (sulfur dioxide):
Good
6.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Fair
21.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 10:00
AQI:
Medium
59.2/100
PM2.5 (fine particles):
Fair
20.3/100
PM10 (coarse particles):
Good
7.7/100
NO2 (nitrogen dioxide):
Fair
30.6/100
O3 (ozone):
Medium
59.2/100
SO2 (sulfur dioxide):
Good
6.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Fair
20.4/100
Other Landmarks in Knoxville
Frequently Asked Questions
Is air quality bad in Happy Holler right now?
On 16 July 2026, overall air quality in Happy Holler is fair. NO2 is the main pollutant at 33.1/100. Pollution peaks around 9:00 AM (O3: 54.3/100).
Will air quality be worse tomorrow in Happy Holler?
On 17 July 2026, air quality conditions in Happy Holler will be similar to today, with NO2 forecast at fair at 30.6/100. Pollution peaks around 10:00 AM (O3: 59.2/100).
When is air pollution at its worst in Happy Holler?
Happy Holler experiences the same seasonal air quality swings as the rest of Knoxville: once summer humidity fades, winter typically offers the most consistently clean air, but hot, humid summer days bring the highest ozone risk, amplified by natural emissions from the dense surrounding forests. Occasional agricultural or prescribed-burning smoke can add short-lived particulate spikes outside the main summer ozone season.
Are air quality levels in Happy Holler based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app