{"id":4638,"date":"2026-07-16T16:39:52","date_gmt":"2026-07-16T16:39:52","guid":{"rendered":"https:\/\/metrotransitreview.com\/?p=4638"},"modified":"2026-07-16T16:39:52","modified_gmt":"2026-07-16T16:39:52","slug":"three-major-us-cities-top-worlds-worst-air-quality-rankings-as-canada-wildfire-smoke-blankets-america","status":"publish","type":"post","link":"https:\/\/metrotransitreview.com\/?p=4638","title":{"rendered":"Three major US cities top world’s worst air quality rankings as Canada wildfire smoke blankets America"},"content":{"rendered":"
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The most polluted air in the world today is in three major US cities \u2013 where readings are multiple times worse than the notoriously noxious Delhi, India \u2013 due to raging wildfires in Canada.<\/p>\n

Read more Fundraiser for Canadian illegal migrant arrested in Jersey Shore teen slap yanked over \u2018violent crimes\u2019 violation<\/a><\/p>\n

Air pollution in Detroit, Michigan, was the worst in the world Thursday, with a score of 724 on the live global air quality index (AQI), according to IQAir \u2013 which shows that the atmosphere becomes \u201chazardous\u201d starting at 301.<\/p>\n

Toronto, Canada, saw the second-highest pollution levels, with a score of 271 \u2013 which falls within the \u201cvery unhealthy\u201d category between 201 and 300.<\/p>\n

The third- and fourth-most polluted air was found in Minneapolis, Minnesota, and Chicago, Illinois, where the scores were 257 and 250, respectively.<\/p>\n

Read more John Fetterman\u2019s dealbreaker that would force him to ditch Democrats<\/a><\/p>\n

\n<\/div>\n

Delhi \u2013 which traditionally tops annual pollution reports \u2013 had a score of 150, within the \u201cunhealthy for sensitive groups\u201d range, on Thursday, according to the list.<\/p>\n

More than 100 wildfires are still burning in Canada and northern Minnesota, with parts of the Midwest having experienced hazardous air quality, according to USA Today.<\/p>\n

Read more NYC air quality reaches unhealthy \u2018Level Red\u2019 \u2014 after out-of-control Canadian wildfires contaminate US airspace<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

The most polluted air in the world today is in Detroit, Chicago and Minneapolis \u2014 due to raging wildfires in Canada.<\/p>\n","protected":false},"author":1,"featured_media":4637,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-4638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-us-news"],"yoast_head":"\nThree major US cities top world's worst air quality rankings as Canada wildfire smoke blankets America - Metro Transit Review<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/metrotransitreview.com\/?p=4638\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Three major US cities top world's worst air quality rankings as Canada wildfire smoke blankets America - 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