SINGAPORE, Oct 18 (Bernama) -- Singapore’s air quality improved on Sunday as winds shifted to blow from the south, but lingering haze kept the 24-hour Pollutant Standards Index (PSI) in the unhealthy range of 106 to 186.
World : Singapore Air Quality Improves As Winds Shift, But Haze Persists
By Anas Abu Hassan SINGAPORE, Oct 18 (Bernama) -- Singapore’s air quality improved on Sunday as winds shifted to blow from the south, but lingering haze kept the 24-hour Pollutant Standards Index (PSI) in the unhealthy range of 106 to 186.
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