View of the Ed Koch Queensboro Bridge as smoke from Canadian wildfires casts a haze over the area on June 7, 2023, in New York City.Eduardo Munoz Alvarez / Getty Images Environmental groups are demanding that world leaders take urgent action as smoke from Canadian wildfires fueled by the climate crisis continued to smother eastern regions of the United States on Wednesday, pushing the Air Quality Index (AQI) in both nation's capitals to "unhealthy," with at least 16 states issuing air quality alerts affecting millions of people.
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