Tracking of PM2.5 air pollutant to be expanded

Tracking of PM2.5 air pollutant to be expanded

Plans are in place here to more accurately monitor levels of PM2.5, the air pollutant associated with vehicle emissions and the seasonal haze that has blanketed Singapore in the past.

The National Environment Agency (NEA) revealed on Nov 5 that it will expand the country's air pollution monitoring network to give "a better picture" of PM2.5 levels across a wider area.

The aim is to develop better policies to bring down its levels.

PM2.5 is a fine particulate matter less than 2.5 microns in size.

Over-exposure to it increases the risk of heart and lung illnesses and can reduce an individual's lifespan.

"Once you have the data, you will have a better sense of the seriousness of the issue," NEA deputy director of pollution control Rohaya Saharom told reporters, on the sidelines of a green transport forum at Traders Hotel.

Documents obtained by The Straits Times reveal that the NEA will add nine more monitoring stations nationwide to the existing 15 by early next year.

The stations monitor round-the-clock PM2.5, on top of the Pollutant Standards Index (PSI), which measures sulphur dioxide, nitrogen dioxide, ozone, carbon monoxide and PM10.

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