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The dirtiest air in the world
The US slashed air pollution over the past 60 years. But on Thursday, US cities suffered some of the world’s worst air.
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edition.cnn.com
Dangerous smoke from Canadian wildfires moves into the Great Lakes and Northeast | CNN
Wildfires in Canada are pouring thick clouds of smoke into the US and will usher in unhealthy air quality for millions of people in Northeast and Midwest.
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cnn.com
Thick smoke from Canadian wildfires invades the Northeast and Midwest | CNN
Wildfires in Canada are pouring thick clouds of smoke into the US and will usher in unhealthy air quality for millions of people in Northeast and Midwest.
