Vaughan, Ontario, Canada Severe Weather Alertstar_ratehome

A prolonged period of hot and humidity continues.

What:
Daytime highs of 31 to 34 degrees Celsius and a humidex of 37 to 42.
Overnight lows of 19 to 21 degrees Celsius, providing little relief from the heat.

When:
Continuing through Thursday.

Additional information:
Showers and thunderstorms moving through Thursday morning are expected to keep daytime temperatures relatively cooler for most regions, bringing an end to the heat event. For regions not affected by showers, a cooler airmass will bring an end to the event by Thursday night.

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For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Elevated levels of pollution is expected today.

Air Quality Health Index (AQHI) values are expected to reach moderate to high risk levels this afternoon and evening as a result of increasing ground-level ozone combining with residual smoke.

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When air pollution levels are high, everyone should limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events.

You may experience mild and common symptoms such as eye, nose and throat irritation, headaches or a mild cough. More serious but less common symptoms include wheezing, chest pains or severe cough. If you think you are having a medical emergency, seek immediate medical assistance.

People more likely to be impacted by outdoor air pollution, including people aged 65 and older, pregnant people, infants and young children, people with an existing illness or chronic health condition, and people who work outdoors, should reduce or reschedule strenuous activities outdoors and seek medical attention if experiencing symptoms.

Visit http://www.airhealth.ca 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.