Haze in Singapore: Normal PM2.5 readings and good to moderate 24-hour PSI islandwide
NEA said the PSI for Oct 26 is forecast to be in the 70-100 range.
Singapore's air quality has improved, according to the latest hourly PM2.5 readings and 24-hour PSI measurements across the island. At 6am on October 26, the hourly PM2.5 levels in all five regions fell between 20 and 29, while the 24-hour PSI ranged from 71 to 78. PM2.5 readings, measured hourly, indicate the current air quality, with scores between 0 and 55 considered normal.
The 24-hour PSI, a rolling average of six key air pollutants, is deemed good to moderate when it falls between 0 and 100. The National Environment Agency (NEA) had forecast a PSI range of 70 to 100 for October 26, suggesting that the reduction in smoke haze is likely to continue over the next few days, thanks to expected showers and south-west or west winds.
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