As per reports, air quality in central Singapore returned to the unhealthy range as the 24-hour Pollutant Standards Index (PSI) reached 102 at noon on Monday (14 September).
According to official readings from the National Environment Agency (NEA), the 24-hour PSI as at noon was 91 in the east and west, 82 in the south and 79 in the north.
Categories: Environment - Pollution
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