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Residents across Peterborough City, Lakefield, and southern Peterborough County are being urged to take precautions as two weather warnings remain in effect this week: a prolonged heat warning and an air quality alert due to wildfire smoke.
Daytime highs are expected to reach between 29 and 32 degrees Celsius through Thursday, with humidex values climbing as high as 40. Overnight lows in the 19 to 23 degree range will offer little relief, raising concerns about heat-related illness, particularly among vulnerable populations.
Environment Canada is advising people to stay cool, stay hydrated, and check in regularly on older adults, those living alone, and individuals with health conditions. Symptoms of heat exhaustion can include nausea, dizziness, fatigue and dark urine. More severe signs, such as confusion and loss of consciousness, may indicate heat stroke and require immediate medical attention.
At the same time, smoke drifting in from northern Ontario wildfires has led to poor air quality and reduced visibility across the region. Health officials say the effects may persist into Tuesday and that even healthy individuals may experience symptoms like throat irritation, headaches, and coughing. Those with underlying health issues, young children, and seniors are especially at risk.
To stay safe, limit time outdoors, keep windows closed when possible, and use air filtration systems or certified portable air cleaners indoors. If you must go outside, wearing a properly fitted N95 mask can reduce exposure to smoke particles.
City officials are encouraging residents without access to air conditioning to seek out cool public spaces such as community centres or libraries. Outdoor events and activities should be rescheduled when possible.
For up-to-date air quality readings, visit airqualityontario.com, and for guidance on heat-related health impacts, check with your local public health unit or visit canada.ca.
(Written by: Scott Arnold)
