Worst air pollution Bourbon Trail - Louisville, today and tomorrow
Today (16 July): Air quality in Bourbon Trail is fair. PM2.5 is fair; AQI and O3 are medium; PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 40.2/100).
Tomorrow (17 July 2026): Air quality in Bourbon Trail is fair. AQI worsens to fair; NO2 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 38.6/100). 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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Louisville's Bourbon Trail air quality varies along the Kentucky Bourbon Country route, with individual distillery operations generating distinctive grain fermentation and barrel ageing organic aerosols across the Bluegrass region. The flat Kentucky Pennyroyal terrain allows reasonable dispersal between distilleries, while the bourbon distilling operations' distinctive organic emissions and the surrounding Kentucky horse farm landscape create a uniquely evocative agricultural air quality environment throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
40.2/100
PM2.5 (fine particles):
Fair
21.9/100
PM10 (coarse particles):
Good
10.6/100
NO2 (nitrogen dioxide):
Good
17.7/100
O3 (ozone):
Medium
40.2/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
14.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
38.6/100
PM2.5 (fine particles):
Fair
20.4/100
PM10 (coarse particles):
Good
10.1/100
NO2 (nitrogen dioxide):
Fair
22.5/100
O3 (ozone):
Fair
38.6/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.1/100
PM1 (ultrafine particles):
Good
12.5/100
Other Landmarks in Louisville
Sports venues in Louisville
Frequently Asked Questions
Is air quality bad in Bourbon Trail right now?
On 16 July 2026, overall air quality in Bourbon Trail is fair. PM2.5 is the main pollutant at 21.9/100. Pollution peaks around 1:00 PM (O3: 40.2/100).
Will air quality be worse tomorrow in Bourbon Trail?
On 17 July 2026, air quality conditions in Bourbon Trail will be similar to today, with AQI forecast at fair at 38.6/100. Pollution peaks around 1:00 PM (O3: 38.6/100).
When is air pollution at its worst in Bourbon Trail?
Like the rest of Louisville, Bourbon Trail sees air quality change through the year: mild winter weather usually brings the year's cleanest air, but hot, humid summer days bring the highest ozone risk, amplified by natural emissions from the dense surrounding forests. Prescribed burns are more common in the cooler months and can add brief smoke episodes.
Are air quality levels in Bourbon Trail 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.
Want to see air quality forecasts for other cities in United States?
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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