Air Pollutant Index of Malaysia (APIMS)

Also known as the Index Pencemaran Udara (IPU) in Malay.

Air Pollutant Index of Malaysia (APIMS) is the official application and website of the Department of Environment Malaysia (DOE) for reporting the air quality and level of air pollution in in Malaysia.

In 1989, the Department of Environment Malaysia (DOE) formulated the Recommended Malaysian Air Quality Guidelines (RMG), a set of air quality guidelines for air pollutants. Based on the RMG, the Malaysian Air Quality Index (MAQI) was developed by the University Pertanian Malaysia in 1993.

In line with the need for regional harmonization with countries in ASEAN, the API system was adopted in 1996 to replace the Malaysian Air Quality Index (MAQI).

Air Pollutant Index (API) is an index developed closely based on the Pollutant Standard Index (PSI) devised by the United States Environmental Protection Agency (US-EPA) Pollution Standards Index in providing simple and easy way to report and describe the air quality and pollution levels in Malaysia.

The API is measured and updated hourly by the Department of Environment Malaysia (DOE). There are currently 52 monitoring stations throughout Malaysia for public to know the API readings at places near them.

The air pollution index system includes the following major air pollutants which could cause potential harm to human health should they reach unsafe levels:
  • ozone (O3)
  • carbon monoxide (CO)
  • nitrogen dioxide (NO2)
  • sulfur dioxide (SO2)
  • suspended particulate matter of less than 10 microns in size (PM10)

Air quality in terms of human health impacts and implications are categorized as follows under the API system:
  • 0-50 Good
    Low pollution, No ill effects on health
  • 51-100 Moderate
    Moderate pollution, No ill effects on health
  • 101-200 Unhealthy
    Mild aggravation of symptoms among high risk persons
  • 201-300 Very unhealthy
    Significant aggravation of symptoms, decreased exercise tolerance in person with hear or lung disease
  • More than 300 Hazardous
    Severe aggravation of symptoms, endangers health

APIMS

Air Pollutant Index of Malaysia


The official website of the Air Pollutant Index of Malaysia (APIMS) also features API charts and maps, advice during haze and public announcements.
Website:   apims.doe.gov.my/


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Notes
Guide ID: 3283 - Last Updated: April 1, 2016

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