Air quality in Toronto among worst in the world Monday, as Environment Canada issues heat warning
CBC
Parts of the Greater Toronto Area (GTA) are under an air quality warning on Monday alongside an ongoing heat warning in the region, Environment Canada says.
Smoke from forest fires over northern Ontario is expected to cause poor air quality and reduced visibility, the federal weather agency says.
Poor air quality may continue throughout the day and possibly into Tuesday for some areas, the warning reads.
"During heavy smoke conditions, everyone's health is at risk regardless of their age or health status," Environment Canada said.
Those at higher risk of being impacted by wildfire smoke include people aged 65 and older, pregnant people, infants and young children, and those with an existing illness or chronic health condition, the weather agency said.
People are advised to limit time outdoors and protect indoor air from wildfire smoke, such as by keeping windows and doors closed as much as possible.
Toronto was the second-most polluted major city in the world as of 8 a.m. on Monday, according to a global ranking by IQAir, a Swiss air quality technology company.
The air quality warning comes as extreme heat and humidity is expected to continue in the region on Monday.
Daytime highs could be between 29 to 32 C, with the humidex making it feel like it's 35 to 40 C, the federal weather agency said in a warning Monday morning.
Overnight lows are expected to provide little relief, ranging from 19 to 23 degrees.
The heat warning is expected to end on Thursday night, Environment Canada says.
People are advised to stay hydrated and check in on those who are at greater risk of heat illness, including the elderly and those living alone.
Parts of the GTA were under a severe thunderstorm watch on Sunday but that has since been lifted.
Environment Canada is advising people to limit exposure to sun and heat by planning activities during the coolest parts of the day, as well as wearing a wide-brimmed hat and lightweight, light-coloured, loose fitting clothing.
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