Related topics: air pollution

Toxic smoke dissipates over northeastern US

Residents of the northeastern United States were breathing more easily Friday as smoke from Canadian fires gradually cleared after blanketing several cities in a noxious haze this week.

US haze from Canada fires rare and extreme event: expert

The air pollution swamping the northeast United States this week from smoke spewed by fires in Canada is "exceptionally rare" and "extreme", said Ryan Stauffer, a NASA scientist specializing in air pollution.

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