Air quality plummets in 20 US states as smoke from Canadian wildfires spreads

Science

Air Quality Plummets In 20 Us States As Smoke From Canadian Wildfires Spreads

By The Guardian

Smoke from wildfires burning in south-central Canada and parts of Minnesota is spreading across the US, prompting air quality alerts in more than 20 states with millions of Americans expected to face unhealthy air conditions this week. The smoke from ...Read more