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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).
In a pre-pandemic report, The American Lung Association also noted that Phoenix was one of the worst cities for two dangerous pollutants: particle and ozone pollution.
Cincinnati ranks 22nd worst U.S. city for particle pollution, and Hamilton County is the worst in Ohio, an American Lung Association report shows Cincinnati ranks among 25 most polluted cities in ...
The Oklahoma City metro area has been ranked as one of the worst cities in the country for air pollution, reports the American Lung Association.
According to a 2024 report: "39% of people living in America—131.2 million people—still live in places with failing grades for unhealthy levels of ozone or particle pollution." Analyzing data from 2020 to 2022, the American Lung Association found the number of people living in counties with a failing grade for ozone declined, this year by 2 ...
The study found that people living in the most polluted city (Steubenville) were 26 percent more likely to die than those in the least polluted city (Portage), [7] [11] suggesting an association between particulate pollution and higher death rates in urban areas: "Although the effects of other, unmeasured risk factors cannot be excluded with ...
The American Lung Association’s State of the Air report for 2024 ranked U.S. cities and graded counties based on ozone and particle pollution during 2020, 2021 and 2022, according to its website.
All but one of the 100 cities with the world’s worst air pollution last year were in Asia, ... When inhaled, PM2.5 travels deep into lung tissue where it can enter the bloodstream.