Haze in Singapore: PSI readings return to moderate levels

Hazy conditions seen in Chinatown on Sept 20 at 4.30pm.

Listen Summarise Air quality in Singapore improved to moderate levels on Sept 20, with the central region's 24-hour PSI dropping from unhealthy to 100 by 7pm. Hourly PM2.5 readings were mostly normal except for central Singapore, which had elevated levels at 57, prompting NEA advice on activity planning. NEA forecasts moderate to unhealthy PSI due to dry conditions in Sumatra and Kalimantan, with haze risks linked to El Nino and Indian Ocean Dipole effects. AI generated

SINGAPORE – Air quality across Singapore is back to moderate levels on the evening of Sept 20 as the 24-hour Pollutant Standards Index (PSI) reading in the island’s central region dipped out of the unhealthy spectrum from 7pm.