Air Quality Index

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Air Quality Index

Post by movingtospore » Wed, 12 Mar 2014 9:40 pm

Forum peeps, I've posted this before but the air tonight made me think it's time to post again. Here is a link to the real air quality index for SP:

These guys use all the data provided by Singapore to calculate the index. The level of "harm" attached to different numbers in the scale is based on EPA standards. For some reason Singapore only relates their measurement of possible harm/health concerns to PSI, which is an outdated way of doing it. On any given day the above index will have a worse overall "rating" than that communicated by the NEA because of this. No idea why the NEA doesn't use this method as they do post all the individual pollutant measurements publicly...and really they are usually pretty good at these types of things.

Perhaps if enough people start referring to this instead of PSI they'll relent.


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Post by maneo » Thu, 13 Mar 2014 10:31 am

Nice link.

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Post by x9200 » Thu, 13 Mar 2014 12:30 pm

I don't remember your earlier post but the link is very informative, thank you. I have all the time strong doubts whether what I see through the windows correlates anyhow with what NEA reports in their web page. I understand this is some sort of running average so some momentary peaks are not reflected but I just can not make much sense out of it.

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Post by sundaymorningstaple » Thu, 13 Mar 2014 12:38 pm

Thanks moving, I remember you posting that before, but didn't think about it. Just downloaded the app/widget to my SII. Handy.
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Post by BedokAmerican » Fri, 21 Mar 2014 1:46 pm

Singapore is scheduled to adopt a new air quality reporting system starting in April: ... em-april-1

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