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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.
Indoor air quality (IAQ) is the air quality within buildings and structures.Poor indoor air quality due to indoor air pollution is known to affect the health, comfort, and well-being of building occupants.
Depok (Sundanese: ᮓᮨᮕᮧᮊ᮪) is a landlocked city in West Java province. It is located directly south of Jakarta, it is the third largest urban centre in the Greater Jakarta metropolitan area after Jakarta and Bekasi and it has an area of 199.91 km 2.
GRP Nominal is the regional or provincial counterpart of the national gross domestic product, the most comprehensive measure of national economic activity.The Statistics Indonesia (Badan Pusat Statistik) derives GRP for a province as the sum of the GRP Nominal originating in all the industries in the province at current prices market.
Roughness progression for a road in Texas, US. Blue dots show the times of maintenance. The international roughness index (IRI) is the roughness index most commonly obtained from measured longitudinal road profiles.