
At noon the Pollutant Standards Index (PSI) hit 401. The much-dreaded high point went viral as Singaporeans texted and posted online and held discussions about it in offices and corridors. For a society so used to a clean and green environment, the figure literally made us gasp.
Anything above 300 is classified as “hazardous”. Such levels seem completely out of place in Singapore, where everything from industrial emissions to car ownership is highly regulated to keep pollution down.
And yet there is no telling how long this extremely unpleasant situation, where ash is being blown in to us from Indonesia, is going to last.
We are told it depends on how many burning hot spots remain in neighbouring Sumatra, Indonesia, and that the wind direction could easily last for several weeks or even longer until the dry season ends in Sumatra.
Among other offers of help to Indonesia, Singapore has said it is prepared to provide aircraft for cloud-seeding operations to douse the fires raging in Sumatra with rainwater.
Singapore’s Minister of Environment and Water Resources Vivian Balakrishnan posted on his Facebook on Thursday: “This is now the worst haze that Singapore has ever faced.