Smoke from wildfires in the west caused hazy skies as air quality index surged to 157 in Manhattan, well above threshold of 100

New York City air quality was among the worst in the world as cities across the eastern US were shrouded in smoke from wildfires raging several thousand miles away on the country’s west coast.

State officials in New York advised vulnerable people, such as those with asthma and heart disease, to avoid strenuous outdoor activity as air pollution soared to eclipse Lima in Peru and Kolkata in India to be ranked as the worst in the world on Tuesday.

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Source: The Guardian