Air Quality in Hong Kong By: Ruhi Shah 8G

Air Quality of Hong Kong The Air Quality of Hong Kong is higher than the expected level. The Air Quality level right now, in Hong Kong, is from medium-high. The contributing pollutant is Nitrogen Dioxide (NOx/NO 2 ).

The causes of Air Pollution The main causes of air pollution in Hong Kong are: Factories Power stations Construction sites Lots of Vehicles: on road, in air and on water. These are the things that make our air quality worse!

Where does the Pollution come from? 53% of the year, Hong Kong’s polluted air comes from local sources. Other times of the year, the pollution comes from regional sources like ones in Guangdong, when the pollution levels are higher. Overall more dirty air comes from regional sources.

Changes in Air Quality The pollution levels are higher in the morning & afternoon than they are at night because there are more activities at this time. Also in the winter the air is worse than in the summer. This is because the weather traps the pollutants.

Average Pollution It is said that Hong Kong’s Air Quality has become worse in the last 15 years. This is wrong because the EPD’s averages in 1998 were about 44% and 63%. These are lower values than the ones measured before in 1997 and 1996.

What can we do? To save Hong Kong from the dirty air we can: Choose public transport instead of private Switch off electrical appliances when not in use Use les plastic bags RECYCLE Change a light Plant a tree (in some cases)

What are the bad causes that bad Air Quality can cause? 412 infants die every year in Hong Kong Leads to ‘red-alert’ days – extreme hotness Asthma and respiratory illnesses Lung damage Likely illnesses for youth and the elderly We have to breathe in filthy and unclean air.