Unhealthy air in parts of the United States was forecast for another day on Friday as smoke from wildfires in Canada continued to be carried south by winds, but some improvement was seen.
New York City had been blanketed in a strange orange haze that began on Tuesday when smoke from wildfires in Canada was carried south.
The city of more than 8 million people had been considered to have the worst air quality in the world this week, but as of Friday morning it ranked 15th on a list by tracking service IQAir.com.
The air quality alerts covered most of New York state, as well as Connecticut, New Jersey, all of Pennsylvania and Indiana, and parts of Ohio and Michigan, according to the National Weather Service.
“An area of upper low pressure has and will continue to direct smoke from wildfires in Quebec, Ontario and Nova Scotia toward parts of the Midwest, Northeast and Mid-Atlantic throughout the weekend. -end,” the weather service said in a Thursday forecast. discussion.
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New York City Mayor Eric Adams had warned vulnerable New Yorkers to stay indoors and everyone else to limit their time outdoors amid the smoke. The weather service said an air quality alert extended through Friday for much of the region.
Other cities, including Philadelphia and Washington, DC, were also affected. Flights have also been delayed or canceled due to the conditions.
Philadelphia schools were to operate remotely on Friday out of an abundance of caution, the city’s school district said.
New York public school students who were scheduled to attend classes on Friday were also transferred remotely, although a previously scheduled “office day” meant some students would not have attended classes on Friday anyway.
More than 400 wildfires were burning in Canada, which is experiencing very hot temperatures and dry conditions, according to Canadian government and US forecasters.
The United States and other countries have sent or pledged to send firefighters or other aid to Canada.