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Air quality alert continues for Vancouver, Fraser Valley

Warnings continue, cautioning people from strenuous outdoor activities
The heat continues.

Metro Vancouver is continuing the advisory in place for parts of the region due to ground-level ozone.

First issued yesterday, the Air Quality Advisory is for the eastern parts of Metro Vancouver and the Fraser Valley as ozone is forming.

"Ground-level ozone is not emitted directly into the air. It is formed when nitrogen oxides (pollutants emitted when fuels are burned) and volatile organic compounds (emitted from solvents and other sources) react in the air in the presence of sunlight," states Metro Vancouver in a press release. "The highest levels of ground-level ozone are generally observed between mid-afternoon and early evening on summer days."

A special air quality statement is also in place for Metro Vancouver from Environment Canada.

According to the provincial air quality health index map three of the four Metro Vancouver zones (Northwest, Northeast and Southeast) are all at a four, which is moderate. Earlier today Metro Vancouver Northwest, which includes the City of Vancouver, hit a five.

Environment Canada has also updated its ongoing heat warning, noting the heatwave will continue through Tuesday with daytime highs away from the coastline potentially reaching 43 C in Vancouver, Burnaby, Richmond and other communities.

"The duration of this heat wave is concerning as there is little relief at night with elevated overnight temperatures. This record-breaking heat event will increase the potential for heat-related illnesses," the federal agency notes.

The waning includes cautions for any outdoor activities and suggests people check on their older family, friends and neighbours.