New air quality reporting system from April 1, 2014

TODAY, 21 Mar 2014

NEW HAZE ADVISORY

 

NEA PSI Readings

With effect from 1 April 2014, Singapore will move to an integrated air quality reporting index, where PM2.5 will be incorporated into the current Pollutant Standards Index (PSI) as its sixth pollutant parameter. The PSI will therefore reflect a total of six pollutants – sulphur dioxide (SO2), particulate matter (PM10) and fine particulate matter (PM2.5), nitrogen dioxide (NO2), carbon monoxide (CO) and ozone (O3).

The 3-hour PSI will take into account PM2.5 concentrations. In addition, NEA will also publish the 1-hour PM2.5 concentrations every hour.

One Response to “New air quality reporting system from April 1, 2014”

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