Worst air pollution LaSalle, today and tomorrow
Today (16 July): Air quality in LaSalle is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 36.3/100).
Tomorrow (17 July 2026): Air quality in LaSalle is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 38.8/100). 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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LaSalle's air quality reflects its position as a Windsor suburb on the Detroit River, with vehicle traffic and proximity to the Windsor-Detroit industrial and border-crossing corridor contributing local sources.
Today - 16 July | Pollution peaks at 13:00
AQI:
Fair
36.3/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
7.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
36.3/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
4.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
38.8/100
PM2.5 (fine particles):
Good
8.1/100
PM10 (coarse particles):
Good
6.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
38.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Good
4.8/100
Pollen forecast in LaSalle
View pollen forecastFrequently Asked Questions
Is air quality bad in LaSalle right now?
On 16 July 2026, overall air quality in LaSalle is fair. AQI is the main air quality indicator at 36.3/100. Pollution peaks around 1:00 PM (O3: 36.3/100).
Will air quality be worse tomorrow in LaSalle?
On 17 July 2026, air quality conditions in LaSalle will be similar to today, with AQI forecast at fair at 38.8/100. Pollution peaks around 1:00 PM (O3: 38.8/100).
When is air pollution at its worst in LaSalle?
Seasonal air quality in LaSalle is closely linked to suburban growth along the Detroit River near Windsor. Cross-border truck traffic keeps emissions elevated much of the year, with summer heat adding ground-level ozone to the mix; winter usually brings some relief except during cold, still inversions. Wait times at the crossing can worsen local air quality further during peak travel periods.
Are air quality levels in LaSalle 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