Air quality has reached unhealthy levels in all regions, a situation that has not occurred since 2019. This development is notable as it marks a significant change in air quality.

Further information on this situation can be found through The Edge Singapore. The publication reports on the air quality, providing details on the current state of the environment.

Details of the air quality and its implications are available from The Edge Singapore, which has reported on the unhealthy air quality in all regions.