Singapore’s PSI reading at noon went pass 400 yesterday, hitting an all-time high of 401 and surpassing previous peak at 371 on Thursday afternoon. According to NEA, air quality at above PSI 300 is considered to be hazardous.
What is PSI?
PSI is the short acronym for Pollutant Standard Index and provides a standardise uniform system of measuring pollution levels for the major air pollutants. The scale is devised by the United States Environment Protection Agency to measure air quality on a daily basis.
Who causes the PSI level in Singapore to rise to hazardous levels?
The haze is brought about by the slash and burn forest fire in Sumatra, Indonesia. This technique is the cheapest land-clearing method commonly used by local farmers and enterprises to clear land for plantations and new growth of corps.
Why is this dangerous?
At hazardous concentrations, a significant larger amount of toxic micro particulars can enter your lungs as you breadth and get embedded inside, causing serious health and respiratory problems.
How can we prevent this?
The wearing of a mask when outdoors can help filter out the toxic micro particulars.
The Singapore government has today pledged that it will be giving out 1 million free N95 masks to lower income households. For a start, the poorest 200,000 households and vulnerable personals will get the free masks, distributed by grassroots groups with the help of the Singapore Armed forces. NTUC Fairprice and Unity Healthcare will also distribute the N95 masks for sale with a price cap.