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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.
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 ...
[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.
Most places in the world have pollution above the acceptable standard. Here’s how each region fares. Air Quality Is Bad Pretty Much Everywhere, New World Pollution Report Finds
Air pollution from fossil fuels has been found to kill millions: one in five people around the world, according to a 2021 study from scientists at Harvard University and U.K. institutions.
The American Lung Association’s State of the Air report for 2024 listed the Los Angeles area as one of the top 10 cities polluted by year-round particle pollution. It’s been No. 1 for ozone ...
Air pollution can cause diseases, allergies, and even death; it can also cause harm to animals and crops and damage the natural environment (for example, climate change, ozone depletion or habitat degradation) or built environment (for example, acid rain). [3] Air pollution can occur naturally or be caused by human activities. [4]
The air pollution generated in November 2024 in India and Pakistan was regarded by climate researchers as an unprecedented intensification of the region's annual pollution cycle. [2] NASA satellite imaging showed a continuous cloud of smog that extended across the majority of eastern and northern Pakistan, as well as northwestern India. [3] [4]