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Monitor the Air Quality Health Index (AQHI) and local alerts.
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Reduce strenuous outdoor activity when air quality is poor.
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Keep windows and doors closed during smoke events when appropriate.
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Use indoor air filtration systems where possible
Air Quality
Outdoor air quality can be affected by wildfire smoke, ground-level ozone, fine particulate matter, and other pollutants. Climate change is increasing the frequency and severity of wildfire smoke events across Ontario, leading to more days with unhealthy air quality. Poor air quality can worsen asthma and other respiratory conditions, increase cardiovascular risks, reduce outdoor activity, and affect overall well-being. Children, older adults, pregnant people, outdoor workers, and individuals with heart or lung conditions are most vulnerable. Poor air quality can also affect outdoor work, recreation, livestock health, and farm productivity, particularly during prolonged smoke events.
Air quality conditions can change quickly, particularly during wildfire season. The resources below can help residents, workers, and farmers monitor air quality, reduce exposure to smoke and pollutants, and find clean air spaces when conditions deteriorate.
The Air Quality Health Index (AQHI) is a tool you can you to help individuals decide how to behave during poor air quality days. What are you breathing today? - Canada.ca
Actions Workers and Employers Can Take
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Adjust outdoor work schedules when air quality is poor.
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Increase rest breaks and provide access to clean indoor spaces.
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Follow occupational health and safety guidance for wildfire smoke exposure. Farms and Livestock
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Monitor animals for signs of respiratory distress during smoke events.
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Ensure adequate ventilation while minimizing smoke exposure where possible.
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Maintain emergency plans for prolonged air quality incidents.
Wellington Dufferin Climate Safe Map, Climate Safe Map: Cooling, Warming and Clean Air Spaces | WDG Public Health