Updated: 04/02/2014 00:47

Elevated PSI readings from today, with inclusion of PM2.5 into PSI



Elevated PSI readings from today, with inclusion of PM2.5 into PSI

You can expect the Pollutant Standards Index or PSI to show higher readings from today. 

That's because the index now incorporates PM2.5 as its sixth pollutant parameter. 

The 3-hour PSI reading at at 9am was 65, in the moderate range. 

According to NEA's health advisory, all normal activities can continue.

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