Worst air pollution Rock Forest - Sherbrooke, today and tomorrow
Today (16 July): Air quality in Rock Forest is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 36.4/100).
Tomorrow (17 July 2026): Air quality in Rock Forest is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 29.7/100). 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
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Rock Forest's air quality reflects its position as a southern Sherbrooke suburb, with vehicle traffic on regional roads the primary local source amid generally good Eastern Townships wind dispersal.
Today - 16 July | Pollution peaks at 07:00
AQI:
Fair
36.4/100
PM2.5 (fine particles):
Good
4.4/100
PM10 (coarse particles):
Good
1.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
36.4/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
3.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Fair
29.7/100
PM2.5 (fine particles):
Good
5.4/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
29.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
4.6/100
Other Landmarks in Sherbrooke
Frequently Asked Questions
Is air quality bad in Rock Forest right now?
On 16 July 2026, overall air quality in Rock Forest is fair. AQI is the main air quality indicator at 36.4/100. Pollution peaks around 7:00 AM (O3: 36.4/100).
Will air quality be worse tomorrow in Rock Forest?
On 17 July 2026, air quality conditions in Rock Forest will be similar to today, with AQI forecast at fair at 29.7/100. Pollution peaks around 8:00 AM (O3: 29.7/100).
When is air pollution at its worst in Rock Forest?
Air quality in Rock Forest shifts noticeably across the seasons, shaped by its suburban streets on Sherbrooke's southwestern edge. Air quality is generally good, though spring and fall fieldwork stir up dust and occasional agricultural burning, and summer humidity can trap haze close to the ground. Away from the main roads, air quality generally stays good even during the busier farming months.
Are air quality levels in Rock Forest 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