Hourly-Adjusted PSI Reading

I think we can say that we’re sort of experiencing a national emergency now. The PSI readings have reached hazardous levels since last night. More interestingly, you should have realised that you often feel that the haze situation is far worse than what NEA is reporting through their PSI readings. Why is it so?

Well, the PSI readings from NEA reflect the situation in the preceding three hours. That’s why they call it the 3-hour PSI level. When the haze condition worsens rapidly, the PSI readings will seem to “lag” behind, because it is reflecting a the situation for a time period farther back than “right now”.

It’s probably fair to say that most of us are really more interested in what’s happening “now”.

Here’s the daily graph of hourly-adjusted PSI figures. It’s possible that these readings don’t make sense, so just take it with a generous serving of salt.

Red is the hourly-adjusted figure, and green is the three-hour PSI reading from NEA.

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Note: The above data is currently being updated automatically during the current haze situation.

The previous day graph is below.

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