Worst air pollution Old Sandwich Town - Windsor, today and tomorrow
Today (16 July): Air quality in Old Sandwich Town 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 Old Sandwich Town 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.
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
Use our Strava plugin to check your own exposure.
Old Sandwich Town's air quality reflects its position on the Detroit River directly across from Detroit's industrial corridor, with cross-border traffic contributing to elevated local emissions.
Today - 16 July | Pollution peaks at 13:00
AQI:
Fair
36.3/100
PM2.5 (fine particles):
Good
12.0/100
PM10 (coarse particles):
Good
9.6/100
NO2 (nitrogen dioxide):
Good
5.7/100
O3 (ozone):
Fair
36.3/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
5.3/100
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
9.9/100
PM10 (coarse particles):
Good
8.0/100
NO2 (nitrogen dioxide):
Good
6.6/100
O3 (ozone):
Fair
38.8/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Good
5.9/100
Other Landmarks in Windsor
Frequently Asked Questions
Is air quality bad in Old Sandwich Town right now?
On 16 July 2026, overall air quality in Old Sandwich Town 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 Old Sandwich Town?
On 17 July 2026, air quality conditions in Old Sandwich Town 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 Old Sandwich Town?
Walkerville sees clear seasonal swings in air quality, driven in part by its historic distillery-era streets a short distance from the border crossing. Heavy, steady truck traffic across the border keeps the air quality profile fairly constant, though summer heat and sunlight can push ozone higher on the worst days. Wait times at the crossing can worsen local air quality further during peak travel periods.
Are air quality levels in Old Sandwich Town 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.
Check air quality in other popular cities:
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