Singapore PSI Readings – Chart
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Source: National Environment Agency, Government of Singapore
The Good News is that the NEA recently moved to providing 3 hour average readings on an hourly basis so the daily variation around the numbers plotted above is known. Unfortunately they do not archive the hourly numbers for the benefit of the public but on any given day you can see what is happening.
Obviously the trend above is bad (signalling a return to the 1997 environmental crisis perhaps?) and the effects of the increasing haze have become a presence in our daily lives.science haze psi singapore