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The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...
During June 2023, due to early season wildfires in Canada, cities like New York and Washington D.C. suffered from dangerous levels of air pollution. It was the worst regional air quality in decades for the Northeast. [6]
Air pollution has been a consistent and ongoing nuisance in Phoenix — along with five other cities in Arizona, it’s tied for the worst air quality in the nation. According to research group ...
Fresno has some of the worst air quality in the United States, according to the American Lung Association. The Central Valley is one of the top 10 most polluted cities in the United States ...
People living in the Midwest and Northeast were warned of a worsening air quality index throughout the week due to smoke from the Canadian wildfires
[1] [2] By default the least polluted cities which have fewest particulates in the air come first. Click on the arrows next to the table's headers to have the most polluted cities ranked first. Click on the arrows next to the table's headers to have the most polluted cities ranked first.
The Oklahoma City metro area has risen to one of the worst cities in the country for air pollution, reports the American Lung Association. The 2024 State of the Air report ranked Oklahoma City as ...
On Monday afternoon, Washington, D.C., had the worst air quality of anywhere in the U.S. and was the third-worst in the world with an AQI of 155, firmly in the "unhealthy for all groups" range ...