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Archbishop O'Sullivan Catholic School, ON

Alerts in Effect

Special Air Quality Statement

Issued at 12:51 Tuesday 06 June 2023

High levels of air pollution have developed due to smoke from forest fires.

Smoke plumes from forest fires in Quebec and northeastern Ontario have resulted in deteriorated air quality. Poor air quality may persist through most of this week.

Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to hour.

For more details, please consult


Wildfire smoke can be harmful to everyone’s health even at low concentrations. Continue to take actions to protect your health and reduce exposure to smoke.

People with lung disease (such as asthma) or heart disease, older adults, children, pregnant people, and people who work outdoors are at higher risk of experiencing health effects caused by wildfire smoke.

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.

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