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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 ...
The Air Pollution Index, which rates the likelihood of people getting ill from breathing a city's air, has recently reached 500, the highest possible level, for multiple parts of Hong Kong.
Here are key regional takeaways from IQAir’s 2023 World Air Quality Report. Asia is the world’s most polluted region. All but one of the 100 cities with the most polluted air in the world are ...
All but one of the 100 cities with the world’s worst air pollution last year were in Asia, according to a new report, with the climate crisis playing a pivotal role in bad air quality that is ...
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.
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 ...
According to the U.S. National Aeronautics and Space Administration (NASA), Seoul is one of the world's cities with the worst air pollution. From 2009 and 2013, the city's mean PM 10 were higher than in many of the largest metropolitan cities in the world such as: Los Angeles, Tokyo, Paris, and London. This has resulted in health and ...
Indonesia’s capital Jakarta is the world’s most polluted city, according to a new study, and the country’s president may have the cough to prove it. Jakarta is the world’s most polluted city.