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3 dni temu · 24-HR PSI data last updated at 30/11/2024 1:15PM. 1-HR PM 2.5 Singapore Level. You may use the PM 2.5 index to plan for immediate outdoor activities such as going for a jog.
The NEA's Pollutant Standards Index (PSI) reading provides an overview of air quality that is averaged over a period of 24 hours. It takes into account the concentration of 6 pollutants - particulate matter (PM10), fine particulate matter (PM2.5), sulphur dioxide (SO2), nitrogen dioxide (NO2), ozone (O3), and carbon monoxide (CO).
You can find out the current PSI levels in Singapore by referring to the Pollutant Standards Index (PSI). The PSI is a measure of air quality based on the concentration of pollutants in the air. You can check the PSI levels on the NEA website, the myENV app, or by tuning in to local news broadcasts.
Singapore Pollution Standards Index (PSI) Background. The PSI was originally established by the National Environment Agency (NEA) in 2010, with the addition of PM 2.5 in 2014. Six criteria pollutants, PM 2.5, PM 10, CO, O 3, SO 2, and NO 2, are covered in the methodology. The PSI is evaluated hourly with an option for short-term rapid ...
26 lis 2005 · Pollutant Standards Index (PSI) calculated based on the 24-hour average of the concentration levels of PM 10, PM 2.5, sulphur dioxide (SO 2), nitrogen dioxide (NO 2), ozone (O 3), and carbon monoxide (CO). The air pollutant with the highest concentration will determine the PSI value.
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Overall and regional PSI data (24-hr PSI, Pollutant Concentration and Sub-Index)
