: Wildfire smoke blanketing western Canada has triggered health warnings in several cities, but was also helping to cool blazes by blocking out a hot sun across hard-hit portions of the country Sunday.
“It is a mixed bag certainly with smoke,” Christie Tucker of the Alberta Wildfire agency told a briefing. Less heat, Tucker explained, “has meant that we’ve seen less growth of fires.” Only five new flare-ups were reported since Friday. Weather maps have shown smoke from the fires covering more than 2.7 million square kilometres and stretching as far as the eastern coast of North America and the Arctic.
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