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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.
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.
Soedjarwo (July 27, 1964 – July 25, 1966 and March 19, 1983 – 11 March 1988); Hasjrul Harahap (March 21, 1988 – March 16, 1993); Djamaluddin Suryohadikusumo (March 17, 1993 - March 14, 1998)