A hazy smoke over Washington, D.C., on Thursday morning, where air quality reached very unhealthy levels, with increased risk of health effects for all groups. Air pollution from Canadian wildfires has been smothering swaths of the eastern United States this week. Officials are warning people to stay inside when possible and wear facemasks outdoors, as air quality has fallen to unhealthy levels in many places.
This year, Canada has been facing an especially intense wildfire season . About 9.4 million acres of land have burned so far, which is already about 15 times the ten-year average, as Bill Blair , […]
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