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Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...
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.
Air quality index score: 169. While Armenia has started implementing pollution charges on the biggest offenders, the company's pollution problem continues to increase. 20. China. Air quality index ...
The air quality in Malaysia is reported as the API (Air Pollutant Index) or in Malay as IPU (Indeks Pencemaran Udara). Four of the index's pollutant components (i.e., carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide) are reported in ppmv but PM 2.5 particulate matter is reported in μg/m 3.
According to the 2023 World Air Quality Report published on Tuesday by IQAir, a Swiss firm that monitors real-time air quality around the world and has published an annual assessment since 2018 ...
The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...
In 2016, the global average temperature was already 1.1°C above pre-industrial levels. [ 15 ] According to the review of the scientific literature conducted by the Intergovernmental Panel on Climate Change (IPCC), carbon dioxide is the most important anthropogenic greenhouse gas by warming contribution. [ 16 ]
A World Bank study found that PM 2.5 pollution in 2019 cost the world economy over $8 trillion, which was over 6% of global GDP. They suggested prioritising reducing pollution from diesel fuelled vehicles and coal-fired power plants. [201]: ix The problem is most acute in the developing world. "Children under age 5 in lower-income countries are ...