‘Approved Facility’ or Kemudahan Yang Dilluluskan (KYDL) means a facility or place approved by the Director General which is equipped with the necessary smokemeter and/or gaseous meter and trained personnel for carrying out any smoke and gaseous emission test from motor vehicles. The purpose of establishing the ‘Approved Facility’ are as follows :-

standard kualiti udara

  Figure 1 : Air Pollution Index Flowchart The ambient air quality measurement in Malaysia is described in terms of Air Pollutant Index (API). The API is developed in easily understood ranges of values as a means of reporting the quality of air instead of using the actual concentration of