Lakelands Public Health is urging residents across Haliburton, Kawartha, Peterborough and Northumberland to take precautions as the region faces a combination of extreme heat and deteriorating air quality.
Environment and Climate Change Canada has issued both Heat and Air Quality Warnings for the area, with officials warning residents to take steps to reduce their risk of heat-related illness and exposure to wildfire smoke.
Most of the region is currently under a Yellow Air Quality Warning, while Cobourg, Colborne and Western Northumberland County are under an Orange Air Quality Warning. The Air Quality Health Index is expected to range from moderate risk to very high risk over the next 24 hours.
The region also remains under a Heat Warning issued Monday, with daytime temperatures expected to reach up to 37 C and humidex values in the mid-40s. Overnight temperatures are expected to remain above 20 C, offering little relief from the heat.
Lakelands Public Health says extreme heat and poor air quality can affect anyone, but some groups face a greater risk, including older adults, young children, pregnant people, those with cardiovascular or respiratory conditions, outdoor workers and people experiencing homelessness.
Residents are encouraged to check in on friends, family and neighbours, particularly those who may be more vulnerable.
Health officials recommend staying hydrated, avoiding strenuous outdoor activity, limiting time outside during the hottest parts of the day and seeking cooler indoor spaces when needed.
To reduce exposure to wildfire smoke, residents should keep windows and doors closed when possible, use air filtration systems if available and consider wearing a properly fitted N95 respirator if outdoor activity is unavoidable.
Common symptoms of poor air quality exposure include irritated eyes, runny nose, sore throat, coughing and headaches. More serious symptoms, including wheezing, chest pain or severe coughing, require medical attention.
Residents are also reminded to watch for signs of heat-related illness, including dizziness, weakness, nausea, extreme thirst and reduced urination. Heat stroke is a medical emergency and requires immediate medical attention.
The current heat event is expected to continue until Thursday.
