A persistent haze continues to affect Singapore, with the Pollutant Standards Index (PSI) reaching unhealthy levels across much of the island nation. As of recent reports, air pollution is only at moderate levels in the northern and southern regions of Singapore. This indicates widespread impact from the haze event impacting the majority of the country. Residents are advised to take necessary precautions due to the unhealthy air quality. The situation remains dynamic, with potential for further fluctuations in air quality readings. Authorities are monitoring the situation closely and providing updates to the public. Further details regarding the source of the haze and expected improvements are currently unavailable.