Hourly PM2.5 readings available online
We thank Mr Steven Chen for his letter “Why not publish hourly PSI readings?” (Oct 10). The National Environment Agency updates the one-hour PM2.5 raw concentration levels every hour.
We thank Mr Steven Chen for his letter “Why not publish hourly PSI readings?” (Oct 10). The National Environment Agency updates the one-hour PM2.5 raw concentration levels every hour.
This information is on the NEA haze microsite (http://www.haze.gov.sg/haze-updates/pollutant-concentrations) and the MyENV app, which can be downloaded via the App Store or Google Play.
The one-hour PM2.5 raw concentration levels may be highly variable when the wind drives smoke haze from place to place. Nevertheless, the public may refer to these short-term levels before embarking on strenuous exercise.
More importantly, people who are not feeling well, especially the elderly and children, and those with chronic heart or lung conditions should seek medical attention any time they develop symptoms.
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