Singapore, 22 January 2021 Last Updated on 22 Jan 2021 8AM Next update at 1AM North 12 µg/m3 Normal South 7 µg/m3 Normal East 18 µg/m3 Normal West 9 µg/m3 Normal Central 8 µg/m3 Normal Legends: 0 - 55: Normal 😄56 - 150: Elevated 😥151 - 250: High 😱Above 250: Very High 🤯