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Sep 23, 2019 · A 24-hour PSI reading of between 51 and 100 falls in the moderate range, for which the public can continue their normal activities. If the PSI reading is in the unhealthy range of 101 to...
Quick updates at a glance on PSI and PM2.5 readings for the haze situation in Singapore.
Oct 7, 2023 · The 24-hour Pollutant Standards Index (PSI) readings ranged between 67 and 123 at 9pm, with the highest recorded reading in the east. A PSI reading of 101 to 200 is in the unhealthy range, for...
Sep 19, 2019 · The 24-hour Pollutant Standards Index (PSI) is computed based on six air pollutants - PM2.5, PM10, ozone, sulphur dioxide, nitrogen dioxide and carbon monoxide. It was developed as an...
The Pollutant Standards Index (PSI) measures air quality and indicates the severity of smoke haze. The health effects of haze are dependent on its severity, as described by the PSI. A PSI reading of 101 and above is deemed unhealthy.
Sep 29, 2023 · Accordingly, the 28 public agencies that make up the Government’s Haze Task Force (HTF), are ready to roll out their respective haze action plans should the air quality deteriorate into the Unhealthy range (24-hour PSI above 100).
Sep 26, 2019 · PSI, which stands for Pollutant Standards Index, is computed based on a 24-hour average of PM2.5 concentration levels, among other pollutants. PM2.5 is the dominant pollutant during haze...
Oct 7, 2023 · The 24-hour Pollutant Standards Index (PSI) ranged between 67 and 121 as of 11pm, with the highest reading in the east. NEA regards a reading of 101-200 as "unhealthy".
Oct 6, 2023 · At of 4pm, the 24-hour Pollutant Standards Index (PSI) for the eastern and central regions of Singapore were 119 and 110 respectively. The National Environment Agency (NEA) regards a reading of...
