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Haze: 24-hour PSI in 'very unhealthy' range on Saturday
[SINGAPORE] Haze covered Singapore on Saturday morning, as the Pollutant Standards Index (PSI) reached "very healthy" levels in many parts of the island.
As of 10am, the 24-hour PSI was 186-229, straddling the unhealthy (101-200) and very unhealthy ranges (201-300).
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