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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 2024, the Los Angeles-Long Beach-Riverside area ranked the 1st most ozone-polluted city, the 6th most polluted city by annual particle pollution, and the 11th most polluted city by 24-hour particle pollution. [3] Both ozone and particle pollution are dangerous to human health.
In this article we take a look at the 30 most polluted cities in the United States. Click to skip ahead and jump to the 10 most polluted cities in the U.S. ... 800-290-4726 more ways to reach us.
Six California spots are among the top 10 most polluted metropolitan areas in the United States, according to the American Lung Association’s 2024 State of the Air report.. Each year, the ...
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Below is a list of 526 cities sorted by their annual mean concentration of PM2.5 (μg/m 3) in 2022. [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. Please note that constraints exist in this type of ...
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 ...
Here’s where the Central Valley city ranked in terms of air quality. Fresno is among top 10 most polluted cities in U.S., American Lung Association. Here’s why