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Ship with tourists, Victoria Harbour, Hong Kong, 2024. Pollutants from marine vessels are main sources of air pollution in Hong Kong. [59] The main cause of air pollution at busy streets are motor vehicles. Diesel exhaust from trucks, buses and light buses is the most concerning as they produce a large amount of particulates and nitrogen oxides ...
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 total land area of Hong Kong is 1,076 square kilometres, but about 75% of this land is open countryside, [1] which contains more than 2600 species of vascular plants, about 450 species of birds, about 200 species of butterflies, about 100 species of dragonflies, 40 species of mammals, 80 species of reptiles and more than 20 species of amphibians, including some that are endemic to the ...
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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.
Environmental Protection Department (EPD) is a department of Hong Kong Government concerning the issues of environmental protection in Hong Kong.The EPD is responsible for developing policies covering environmental protection, nature conservation; enforcing environmental legislation; monitoring environmental quality; providing collection ...
= milligrams of pollutant per cubic meter of air at sea level atmospheric pressure and T: ppmv = air pollutant concentration, in parts per million by volume T = ambient temperature in K = 273. + °C 0.082057338 = Universal gas constant in L atm mol −1 K −1: M = molecular mass (or molecular weight) of the air pollutant
From the website's launch in 1999 to 2003, the average number of monthly page views for its maps increased from 0.1 to 4 million. [11] In November 2003, Centamap was the first mapping service licensed by the Hong Kong Census and Statistics Department to disseminate census data at the building group level in addition to other GIS functions. [12]