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The World Health Organization's recommended limit is 5 micrograms per cubic meter, although there are also various national guideline values, which are often much higher. 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 ...
Bosnia Herzegovina is still the most polluted country in the region, with an annual average PM2.5 level of 27.5 µg/m3, but even that’s down by 18% from 2022.
According to Science for Policy report in 2024 by the Joint Research Centre (JRC – the European Commission's science and knowledge service) and International Energy Agency (IEA), in 2023, global GHG emissions primarily consisted of CO 2, resulting from the combustion of fossil fuels (73.7%).
Bangladesh, Pakistan and India had the most polluted air, with levels of particle pollution at least 10 times what the World Health Organization suggests, the company said.
Growing evidence that air pollution—even when experienced at very low levels—hurts human health, led the WHO to revise its guideline (from 10 μg/m 3 to 5 μg/m 3) for what it considers a safe level of exposure of particulate pollution, bringing most of the world—97.3 percent of the global population—into the unsafe zone. [112]
Indonesia was the most polluted country in the region, with a 20% increase compared to 2022. Indonesia, Vietnam and Thailand all had cities that exceeded WHO PM2.5 guidelines by more than 10 times ...
To skip our detailed analysis, you can go directly to see 5 Most Polluted Countries in the World. Pollution is one of the main problems being faced by the world right now, being detrimental to ...
This list contains the top 500 cities by PM2.5 annual mean concentration measurement as documented by the World Health Organization covering the period from 2010 to 2022. 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.