Kuala Lumpur is world’s most polluted city due to haze, Singapore third, index shows
Kuala Lumpur was identified as the world's most polluted major city on Wednesday, with an Air Quality Index (AQI) of 166, according to Swiss monitor IQAir. Singapore ranked third with an AQI of 155.

Briefing Summary
AI-generatedKuala Lumpur was identified as the world's most polluted major city on Wednesday, with an Air Quality Index (AQI) of 166, according to Swiss monitor IQAir. Singapore ranked third with an AQI of 155. Both cities have been enveloped in a milky haze for over a month. The unhealthy air conditions are attributed to smoke drifting from wildfires in neighboring Indonesia, specifically from fires on Borneo and Sumatra islands.
Article analysis
Model · rule-basedKey claims
4 extractedSingapore ranked third globally for pollution on Wednesday.
Kuala Lumpur was the world’s most polluted city on Wednesday.
A milky haze has shrouded Kuala Lumpur and Singapore for over a month.
Smoke from wildfires in Indonesia is blamed for the unhealthy conditions.