Singapore, 28 March 2020 Last Updated on 28 Mar 2020 9PM Next update at 2PM North 11 µg/m3 Normal South 9 µg/m3 Normal East 15 µg/m3 Normal West 8 µg/m3 Normal Central 15 µg/m3 Normal Legends: 0 - 55: Normal 😄56 - 150: Elevated 😥151 - 250: High 😱Above 250: Very High 🤯