Worst air pollution Fort Frances, today and tomorrow
Today (16 July): Air quality in Fort Frances is very poor. AQI and NO2 are very poor; PM10 is fair; PM2.5, O3, SO2, and PM1 are medium; CO and HCHO are good. Pollution peaks around 4:00 PM (NO2: 100/100).
Tomorrow (17 July 2026): Air quality in Fort Frances is very poor. O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 100/100). 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.
Fort Frances' air quality reflects its position on the Minnesota border, with legacy pulp and paper industry along the Rainy River contributing modest local sources amid otherwise clean boreal-region conditions.
Today - 16 July | Pollution peaks at 16:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Medium
43.7/100
PM10 (coarse particles):
Fair
20.0/100
NO2 (nitrogen dioxide):
Very poor
100/100
O3 (ozone):
Medium
49.1/100
SO2 (sulfur dioxide):
Medium
42.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Medium
44.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Medium
46.7/100
PM10 (coarse particles):
Fair
22.3/100
NO2 (nitrogen dioxide):
Very poor
100/100
O3 (ozone):
Fair
35.0/100
SO2 (sulfur dioxide):
Medium
43.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Medium
47.0/100
Pollen forecast in Fort Frances
View pollen forecastFrequently Asked Questions
Is air quality bad in Fort Frances right now?
On 16 July 2026, overall air quality in Fort Frances is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 4:00 PM (NO2: 100/100).
Will air quality be worse tomorrow in Fort Frances?
On 17 July 2026, air quality conditions in Fort Frances will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 12:00 AM (NO2: 100/100).
When is air pollution at its worst in Fort Frances?
Fort Frances's air quality follows a seasonal rhythm tied to its pulp mill on Rainy River across from Minnesota. 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. Because the population is small, local emissions rarely matter as much as what drifts in from distant fires.
Are air quality levels in Fort Frances 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