Question

b.) Identify THREE (3) sources of air pollutant that contribute to the Air Pollution Index (API) in Table Q3(b) below: Table Q3(b) Putrajaya Kuala Lumpur Shah Alam 250 300 440

Answer 1

Putrajaya, Kuala Lumpur, and Shah Alam are cities of Malaysia, and as per government of Malaysia API (Air Pollution Index) system includes 6 major air pollutants.

The air pollutants included in Malaysia's API are:-

1.) Ozone (O₃)

2.) Carbon Monoxide (CO)

3.) Nitrogen Dioxide (NO₂)

4.) Sulphur Dioxide (SO₂)

5.) Particulate matter with a diameter of less than 2.5 micron (PM_2.5)

6.) Particulate matter with a diameter of less than 10 micron (PM₁₀)

The API of Putrajaya and Kuala Lumpur are 250 and 300 respectively, thus they fall in range of 201-300 which is considered Very Unhealthy according to Air Pollution Index of Malaysia.

VERY UNHEALTHY Worsen the health condition and low tolerance of physica exercises to people with heart and lung complications Affect public healtih 201-300

The API of Shah Alam is given 440 which is far more than 300, thus it should be considered Hazadous.

HAZARDOUS Hazardous to high risk people and public heelth More than 300