Worst air pollution Sleeping Giant Provincial Park - Thunder Bay, today and tomorrow
Today (16 July): Air quality in Sleeping Giant Provincial Park is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 50.9/100).
Tomorrow (17 July 2026): Air quality in Sleeping Giant Provincial Park is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 39.8/100). 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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Sleeping Giant Provincial Park's air quality benefits from its remote Lake Superior peninsula position, with lake breezes providing excellent ventilation across this dramatic boreal wilderness park.
Today - 16 July | Pollution peaks at 08:00
AQI:
Medium
50.9/100
PM2.5 (fine particles):
Good
6.8/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
50.9/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
7.0/100
PM1 (ultrafine particles):
Good
8.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 09:00
AQI:
Fair
39.8/100
PM2.5 (fine particles):
Good
5.3/100
PM10 (coarse particles):
Good
1.7/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
39.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
6.1/100
Other Landmarks in Thunder Bay
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Frequently Asked Questions
Is air quality bad in Sleeping Giant Provincial Park right now?
On 16 July 2026, overall air quality in Sleeping Giant Provincial Park is medium. AQI is the main air quality indicator at 50.9/100. Pollution peaks around 8:00 AM (O3: 50.9/100).
Will air quality be worse tomorrow in Sleeping Giant Provincial Park?
On 17 July 2026, air quality conditions in Sleeping Giant Provincial Park will be worse than today, with AQI forecast at fair at 39.8/100. Pollution peaks around 9:00 AM (O3: 39.8/100).
When is air pollution at its worst in Sleeping Giant Provincial Park?
The air over Sleeping Giant Provincial Park varies through the year, influenced by its cliffside peninsula jutting into Lake Superior. For much of the year the air is clean and forest-fresh, but summer and early autumn carry real risk of smoke episodes when wildfires burn nearby or further north. Local monitoring stations often see their highest readings of the year during major regional fire events.
Are air quality levels in Sleeping Giant Provincial Park 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