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Sep 29, 2023 · But Pollutant Standards Index (PSI) readings may deteriorate if the wind shifts, it added. As at 3pm on Friday, the 24-hour PSI was 81, in the moderate range, in the east of Singapore.
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...
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.
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...
Oct 2, 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...
The 24-hour PSI readings of the 5 regions of Singapore are reported every hour on the Haze microsite, and myENV iPhone and Android app. The pollutant concentration readings are also published regularly on the haze website.
Oct 8, 2023 · On Saturday, the PSI reading reached 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 which the NEA...
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...
