Page 46 - English Tingkatan 1

Read

Forest fires and emission of smoke from vehicles and factories contribute to global
warming. They worsen air pollution and many nations suffer from the ill effects of haze.
Read the following leaflet on haze.

What particles are found in haze?
Public views:
Mariam, Housewife
sulphur soot nitric For days, the haze remained.
dioxide oxide Innocent victims su ered from
throat itchiness, coughing,
HAZE carbon eye irritation and watery eyes,
nitrogen monoxide runny nose and itchy skin.
dioxide Children and the elderly were
dirt smoke the most a ected.

Dr Vicky, JB Health Clinic
Air Pollution Index (API) When the API reaches an
unhealthy level, stay indoors,
On hazy days, monitor the Air Pollution Index (API) before wear masks and drink plenty
carrying out outdoor activities. When the air quality is hazardous, of water. See a doctor if the
stop outdoor activities. symptoms persist.
Levels
Numerical of Health Meaning
Value Concern Wong Jia En, Student
Air quality is considered satisfactory, and air Action must be taken against
those who cause climate
0 to 50 Good pollution poses little or no risk. change. When irresponsible
Air quality is acceptable. There may be a people pollute our air, they
moderate health concern for a very small must be punished.
51 to 100 Moderate number of people who are unusually sensitive
to air pollution. Link
Unhealthy Members of sensitive groups may experience
for You can get
101 to 150 health problems. The general public is not information about
Sensitive likely to be affected. the air quality index.
Groups To get the current
Everyone may begin to experience health quality of the air
151 to 200 Unhealthy problems. Members of sensitive groups may around the globe, go to:
experience more serious health problems. http://waqi.info
Very Health alert: everyone may experience more
201-300 Unhealthy serious health problems.

Health warnings of emergency conditions. The Glossary
300+ Hazardous entire population is more likely to be affected. moderate average in intensity
irritation inflammation or discomfort
(Adapted from https://airnow.gov/index.cfm?action=aqibasics.aqi)

28