Around 4pm to 8pm last night, residents in Singapore were complaining about a strong chemical smell that was permeating several parts of the island.
Several parts of the island, like Bishan, Ang Mo Kio and Bukit Timah were had strong chemical and burning smells.
While the National Environment Agency says that the air pollution levels were in the healthy range, the smell did cause some discomfort to residents.
Want to protect your skin from pollution? Here are some things you can do: