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SINGAPORE: The PSI or pollutant standards index hit a high of 95 on Thursday, almost in the unhealthy level, and the average reading of 61 was the highest it has been since the beginning of the year.
The moderately hazy conditions are due to fire hot spots in peninsular Malaysia and Sumatra.
Winds are blowing smoke haze from these areas, and some local bush fires are adding to the problem.
Even though air pollution levels are not expected to go into the "unhealthy" range, the National Environment Agency is advising people with heart or respiratory ailments to take it slow, especially outdoors.
Over the next few days the wind conditions are not expected to be strong enough to blow away the smoke particles, and the haze is expected to remain for the next few days.
Hourly updates on the PSI can be found on the National Environment Agency's website. - CNA
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