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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]
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 ...
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.
The report ranked Merced County as being the 19th worst for year-round particle pollution nationwide. ... Though air pollution can mostly be perceived outdoors, the association said indoor air can ...
At least 10 central New York school districts cancel outdoor activities amid worsening air Air quality – live: New York air ‘worst in the world’ as Canada wildfires smoke fills skies and ...
Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million premature deaths in 2019), according to The Lancet. Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike.
Pollution from refineries near the Mississippi River outside New Orleans, Louisiana, lofts into the air. Among the most alarming statistics: ∎ Residents suffer 629 violent crimes per 100,000 ...