The GuardianLean L·
Air quality plummets in 20 US states as smoke from Canadian wildfires spreads
Millions of Americans face air quality alerts from Minnesota to New York as authorities urge people to stay indoors Sign up for the Breaking News US newsletter email Tell us: have you been affected by the spread of wildfire smoke in the US and Canada? 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 f…
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