Worst air pollution West Lafayette, today and tomorrow

Today (16 July): Air quality in West Lafayette is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 36.2/100).
Tomorrow (17 July 2026): Air quality in West Lafayette is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 38.9/100). Airmine updates local air quality forecasts four times daily.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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West Lafayette experiences air quality conditions shaped chiefly by continental Midwest summer humidity, and generally favorable, with summer heat waves the main seasonal factor. Day-to-day conditions in West Lafayette can still vary with local weather, wind direction, and time of year. Local topography and prevailing winds both play a role in how quickly conditions change.

Today - 16 July | Pollution peaks at 09:00

AQI:

Fair

36.2/100

PM2.5 (fine particles):

Good

17.8/100

PM10 (coarse particles):

Good

14.6/100

NO2 (nitrogen dioxide):

Fair

30.3/100

O3 (ozone):

Fair

36.2/100

SO2 (sulfur dioxide):

Good

4.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.2/100

PM1 (ultrafine particles):

Good

9.8/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 09:00

AQI:

Fair

38.9/100

PM2.5 (fine particles):

Good

15.5/100

PM10 (coarse particles):

Good

8.4/100

NO2 (nitrogen dioxide):

Fair

32.6/100

O3 (ozone):

Fair

38.9/100

SO2 (sulfur dioxide):

Good

4.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.7/100

PM1 (ultrafine particles):

Good

9.0/100

Pollen forecast in West Lafayette

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Frequently Asked Questions

Is air quality bad in West Lafayette right now?

On 16 July 2026, overall air quality in West Lafayette is fair. AQI is the main air quality indicator at 36.2/100. Pollution peaks around 9:00 AM (O3: 36.2/100).

Will air quality be worse tomorrow in West Lafayette?

On 17 July 2026, air quality conditions in West Lafayette will be similar to today, with AQI forecast at fair at 38.9/100. Pollution peaks around 9:00 AM (O3: 38.9/100).

When is air pollution at its worst in West Lafayette?

West Lafayette's air quality has a clear seasonal rhythm. In short, the mildest, cleanest weather usually falls in spring and autumn, whereas the hottest, most humid summer days bring the year's worst ozone readings. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.

Are air quality levels in West 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.

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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