The air quality and pollution in New York City was ranked second among the world's worst for cities on Wednesday morning, according to the Swiss air quality technology company IQAir. The smoke has affected air quality for millions of people, with northern states like Massachusetts, New York and Pennsylvania experiencing some of the worst. Fires are raging in Quebec, Ottawa and Nova Scotia, where over the weekend federal officials said an uncontained blaze was burning through 100 square miles of land. earlier this week, as winds rotated around an ongoing low-level weather system hovering over the Canadian Maritimes, a group of eastern provinces experiencing a particularly severe and unusual start to wildfire season. THE NATIONAL COOPERATIVE INSTITUTE FOR RESEARCH IN THE ATMOSPHERE AT COLORADO STATE AND THE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION (CSU/CIRA & NOAA)Ī gray fog settled into skies over major metropolitan areas in the northeastern U.S. Satellite images show thick smoke gathering over the Northeast United States. ![]() The shift is expected over the weekend, when forecasts indicate the wind will switch directions "at all levels of the atmosphere and bring in cleaner air," she added, noting that some rain showers over the Northeast could come before then and bring with them some temporary relief from the smoke. will begin to clear when the weather pattern finally changes, Carfagno said. The flow around the low pressure has been guiding wildfire smoke from Quebec into the Northeast, Great Lakes, and even Ohio Valley and down in the mid-Atlantic." "That kept an area of upper level low pressure stuck over the Northeast. ![]() ![]() "We have been in a blocked pattern across North America all week long," Jen Carfagno, a Weather Channel meteorologist, told CBS News in an email. on Thursday from Minnesota to Massachusetts, and as far south as North Carolina, forecasts suggest air quality will not improve substantially for a few more days. As dense smoke from wildfires burning in Canada continued to blanket parts of the U.S.
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