Singapore schools close for first time as haze hits hazardous levels

A man wearing a mask watches from a bumboat as he passes the haze-shrouded central business district in Singapore Sept 24, 2015. The three-hour Pollutant Standards Index (PSI) reached a hazardous level of 317 at 8pm Thursday. - Reuters

SINGAPORE: The haze situation worsened on Friday morning as the Pollutant Standards Index (PSI) hit the hazardous range. As of 7am, the 24-hour PSI was 263-321. It was hovering in the Very Unhealthy region (201-300) throughout Thursday but hit 309 at 4am on Friday before climbing to 334 at 6am.

All primary and secondary schools across Singapore will close on Friday due to worsening haze conditions, the Government announced on Thursday night.