Environment Canada issued a special air quality statement for Toronto Saturday on top of the heat warning that’s still in effect.
The weather agency says the hot and humid conditions are creating elevated pollution levels by increasing ground-level ozone concentrations.
“Individuals may experience symptoms such as increased coughing, throat irritation, headaches or shortness of breath. Children, seniors and those with cardiovascular or lung disease, such as asthma, are especially at risk,” the weather agency said.
“If you, or someone in your care, develop symptoms, reduce or reschedule strenuous outdoors activities where ever possible until the air quality improves.”
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Air Quality Health Index values for Saturday present a moderate risk with potential for short-lived high risk values in the afternoon, according to Environment Canada.
Temperatures in Toronto hit 30C Saturday, and a heat warning issued Friday remains in effect. There’s a warm, humid airmass over the city but clouds are expected to come in by Monday and hep decrease temperatures.
In the meantime, residents are advised to drink plenty of water, stay in the shade, and protect their skin from sun exposure.