number of key factors have contributed to wildfire season in B.C. says as UBC professor. Photo BC Wildlife Service
Last year saw a record 19 air quality advisories in Metro Vancouver.
Currently, there are more than 500 wildfires burning across the province.
Recent satellite images show B.C. smoke wafting as far as Ontario and the northern U.S.
What has led to this situation? And why has is become the norm?
This two-minute video explains.