Dr Jim Teo – The Strait Times. PSI hits unhealthy levels in Singapore for first time since 2016 as haze worsens
PSI readings with the highest recorded in western Singapore. PUBLISHED
SEP 14, 2019, 1:43 PM SGT. Read more.
PSI readings with the highest recorded in western Singapore. PUBLISHED
SEP 14, 2019, 1:43 PM SGT. Read more.