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Directorate of Air Quality Protection and Management; Directorate of Land Damage Control; Directorate of Biodiversity Conservation; Directorate of Pollution Control and Coastal and Sea Damage Control; Deputy for Waste Management, Waste, and Hazardous and Toxic Materials (Deputy III) Directorate of Waste Reduction and Circular Economy Development
An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ] [ 3 ] As air pollution levels rise, so does the AQI, along with the associated public health risk.
A 2023 study on sulfur dioxide emissions by coal power plants (coal PM 2.5) concluded that "exposure to coal PM 2.5 was associated with 2.1 times greater mortality risk than exposure to PM 2.5 from all sources." [133] From 1999 to 2020, a total of 460,000 deaths in the US were attributed to coal PM 2.5. [133]
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.
The air quality in Malaysia is reported as the Air Pollution Index (API). Four of the index's pollutant components (i.e., carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide) are reported in ppmv but PM 10 particulate matter is reported in μg/m 3. This scale below shows the health classifications used by the Malaysian government. 0-50 Good
Such standards generally are expressed as levels of specific air pollutants that are deemed acceptable in ambient air, and are most often designed to reduce or eliminate the human health effects of air pollution, although secondary effects such as crop and building damage may also be considered. [5] Determining appropriate air quality standards ...
Americans constitute less than 5% of the world's population, but produce roughly 25% of the world's CO 2, [32] and generate approximately 30% of world's waste. [33] [34] In 2007, China overtook the United States as the world's biggest producer of CO 2, [35] while still far behind based on per capita pollution (ranked 78th among the world's ...
These sections require the EPA "(1) to list widespread air pollutants that reasonably may be expected to endanger public health or welfare; (2) to issue air quality criteria for them that assess the latest available scientific information on nature and effects of ambient exposure to them; (3) to set primary NAAQS to protect human health with ...