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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...
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 indicator...
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...
The National Environment Agency (NEA) publishes two types of readings: The 3-hour PSI reading was phased out with effect from 7 Dec 2016. Plan your day in accordance to these activity guidelines: Definition. Prolonged = continuous exposure for several hours. Strenuous = involving a lot of energy or effort. Reduce = do less.
Nov 4, 2019 · The NEA provides two air quality readings - the 24-hour Pollutant Standards Index (PSI), and the 1-hour PM2.5 readings. Both serve different functions.
Oct 8, 2023 · A PSI reading of 101 to 200 is in the unhealthy range, for which the NEA advises the public to cut down on outdoor activities. It was the first time the PSI reading had ventured into the...
Sep 14, 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...
Oct 17, 2023 · As of 6pm, the 1-hour PM2.5 concentration readings were in the normal range while the 24-hour Pollutant Standards Index (PSI) was 51 to 65 in the moderate range.
