The haze is getting pretty bad :(.
The latest PSI (as at 9am, 7 October) reads at 119. An index value of 1-50 indicates that the level of air pollutant is in the good range and within the USEPA annual mean ambient air quality standard. An index of 51-100 indicates that the level of air pollutant is in the moderate range, but still within the USEPA 24-hour ambient air quality standard. So, what does an index value of 119 mean?
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Good news for pharmacies.
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