poon cho tang SG 3-hour PSI = 109 as at 11 pm 14 Oct 2006 Health Advisory: Persons with existing heart or respiratory ailments should reduce physical exertion and outdoor activity. The general population should reduce vigorous outdoor activity.
poon cho tang SG 3-hour PSI = 96 as at 12 midnight 15 Oct 2006 Health Advisory: Persons with existing heart or respiratory ailments should reduce physical exertion and outdoor activity. The general population should reduce vigorous outdoor activity.
poon cho tang SG 3-hour PSI = 80 as at 9 pm 15 Oct 2006 Health Advisory: Persons with existing heart or respiratory ailments should reduce physical exertion and outdoor activity. The general population should reduce vigorous outdoor activity.