in recent days has grounded firefighting aircraft and made it difficult to detect new wildfires, officials say. As wildfires continue to burn throughout B.C., air quality has plummeted across the province. The largest fire continues to be the 850-square-kilometre Shovel Lake blaze moving north from Fraser Lake toward Fort St. James. A helicopter being used to fight a smaller fire nearby flies past a large plume of smoke rising from a wildfire near Fraser Lake, B.C., on Aug. 15. Wildfire smoke over Western Canada is visible from NASA's DSCOVR satellite — about 1.6 million kilometres away.

Source: CBC News August 20, 2018 16:46 UTC