Worst air pollution Lafayette, today and tomorrow
Today (9 August): Air quality in Lafayette is fair. AQI, O3, and PM1 are fair; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 9:00 AM (O3: 34.2/100).
Tomorrow (10 August 2026): Air quality in Lafayette is fair. PM2.5 increases to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 35.6/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Lafayette's air quality in Indiana reflects the flat Wabash River valley providing generally good wind dispersal, with vehicle emissions from I-65 and the surrounding Purdue University campus and pharmaceutical manufacturing corridor contributing local sources in this mid-sized Indiana university city. Prevailing westerly Midwest winds generally keep readings at moderate levels, while summer regional ozone from agricultural and industrial sources across the broader Great Plains and Midwest airshed is the primary warm-season concern throughout the year.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
34.2/100
PM2.5 (fine particles):
Good
15.9/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Good
18.8/100
O3 (ozone):
Fair
34.2/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Fair
21.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
35.6/100
PM2.5 (fine particles):
Fair
22.1/100
PM10 (coarse particles):
Good
6.8/100
NO2 (nitrogen dioxide):
Fair
22.4/100
O3 (ozone):
Fair
35.6/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.7/100
PM1 (ultrafine particles):
Fair
27.0/100
Pollen forecast in Lafayette
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Lafayette
Frequently Asked Questions
Is air quality bad in Lafayette right now?
On 9 August 2026, overall air quality in Lafayette is fair. AQI is the main air quality indicator at 34.2/100. Pollution peaks around 9:00 AM (O3: 34.2/100).
Will air quality be worse tomorrow in Lafayette?
On 10 August 2026, air quality conditions in Lafayette will be similar to today, with AQI forecast at fair at 35.6/100. Pollution peaks around 10:00 AM (O3: 35.6/100).
When is air pollution at its worst in Lafayette?
Lafayette follows a fairly predictable seasonal air quality pattern. In short, between summer ozone and occasional winter inversions, spring and fall are the year's cleanest stretch, whereas hot, humid summer conditions drive ozone formation, especially during heat waves. Lake-effect winds can help clear the air on many days near the Great Lakes shoreline.
Are air quality levels in Lafayette 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Get the full experience in the Airmine app.