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.
Public drug use became illegal in British Columbia once again on Tuesday, after the federal government granted the province's request to scale back its drug decriminalization pilot. The change represents a major policy climbdown for the provincial NDP government more than a year into the three-year pilot program with Ottawa that is aimed at tackling the deadly overdose crisis.
Another 192 people were killed in British Columbia by illicit drugs in March, 11 per cent down from the same month last year. The BC Coroners Service says the relentless toll makes illicit drugs the leading cause of death for those aged between 10 and 59, surpassing accidents, suicide, homicides and natural causes combined.
Canada's foreign minister says Israel's invasion of the city of Rafah in the Gaza Strip is "completely unacceptable," and she's holding out hope that ceasefire talks will prevail.
The number of complaints from Canadians who say their language rights weren't respected dropped by more than half last year, but the official languages commissioner says it's too early to say there is a downward trend.
More than 15 civil society groups are urging the justice minister to hive off proposed changes to the Criminal Code and Canadian Human Rights Act from a bill aimed at tackling online harms.
The head of the RCMP says proposed federal legislation would equip the national police force with some "good tools" to address foreign interference.