Your weather when it really mattersTM


Please choose your default site


Asia - Pacific


Watterson Corners, ON

Alerts in Effect

Special Air Quality Statement

Issued at 17:35 Sunday 25 July 2021

Elevated pollution levels are expected or occurring.

High levels of air pollution are possible tonight due to smoke.

Smoke plumes from active forest fires in northwestern Ontario might cause deteriorated air quality for portions of eastern Ontario tonight. Conditions may persist into Monday.

If you or those in your care are exposed to wildfire smoke, consider taking extra precautions to reduce your exposure. Wildfire smoke is a constantly-changing mixture of particles and gases which includes many chemicals that can be harmful to your health.

For more details, please consult


Individuals may experience symptoms such as increased coughing, throat irritation, headaches or shortness of breath. Children, seniors, and those with cardiovascular or lung disease, such as asthma, are especially at risk.

Visit for information on how to reduce your health risk and your personal contribution to pollution levels, as well as for current and forecast AQHI values.

Please continue to monitor alerts and forecasts issued by Environment Canada.

Track the Storm

Latest News

See All News

Default saved

Search Location


Sign In

Please sign in to use this feature.