Singapore, 23 September 2020 Last Updated on 23 Sep 2020 11AM Next update at 4AM North 19 µg/m3 Normal South 5 µg/m3 Normal East 13 µg/m3 Normal West 18 µg/m3 Normal Central 16 µg/m3 Normal Legends: 0 - 55: Normal 😄56 - 150: Elevated 😥151 - 250: High 😱Above 250: Very High 🤯