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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 ...
Ship with tourists, Victoria Harbour, Hong Kong, 2024. Pollutants from marine vessels are main sources of air pollution in Hong Kong. [55] As per the Clean Air Network, 53% of Hong Kong's pollution comes from local sources – power stations, idling engines of cars, trucks and buses and marine emissions as of 2012.
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 ...
1/11 countries: Global Financial Centre Index [20] City of London: 3/10 cities: The GFCI is a ranking of the competitiveness of financial centres based on a number of existing indices in combination with a regular survey of senior industry figures from around the world. Hong Kong ranked third behind New York and London. IT industry ...
[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.
In Hong Kong, there were two types of API: General API and Roadside API. The EPD reported the latest APIs hourly. The index and the air quality objectives were set in 1987; and pollutant levels are measured over varying periods, in μg/m 3. There are hourly, 24-hour and annual targets for sulfur dioxide and nitrogen dioxide, and 24-hour and ...
On 8 March 2012, the department started reporting data on fine suspended particulates in the air on an hourly basis, that are a leading component of smog. It began regular monitoring of PM2.5 levels, which measure 2.5 micrometres in diameter or less, at three stations since 2005, but the data were never publicised.
Category: Pollution by country. 9 languages. ... Air pollution by country (13 C, 5 P) Water pollution by country (14 C, 2 P) A. Pollution in Australia (1 C, 6 P) B.