The Metro Vancouver regional district has issued an air quality advisory as hot, sunny weather mixes with emissions to create ground-level ozone, or smog.
The advisory spans Metro Vancouver and parts of the Fraser Valley.
It says the smog is expected to persist for a few days.
Officials are encouraging residents to limit unnecessary outdoor activities and check on those at higher risk of heat-related illness.
Family members of a Saskatchewan man who was shot by his lover told court they will never understand why he was killed by the former Mountie.
The Ontario Court of Appeal has affirmed the constitutionality of a law that limits members of a spy watchdog from using their parliamentary immunity to speak out.
Environment Minister Steven Guilbeault is looking for options to protect a southern Ontario First Nation from repeated exposure to benzene from a nearby chemical plant, as the plant issues a new warning about air pollution.
British Columbia's Opposition leader says community safety should come before protection of privacy rights for dangerous people.
British Columbia's first wildfire evacuation order of this year was rescinded within 24 hours, but local officials say "extreme drought" means the risk remains high.
The Alberta government announced Thursday a new payment model that would allow nurse practitioners to make 80 per cent of what family doctors are paid.