CNA938 Rewind - Tracking the air quality in Southeast Asia

A new report that tracks air pollution levels right across the world reveals that air quality is slightly improving in Southeast Asia. But there are lingering health concerns for all of us breathing in dirty air. Andrea Heng and Hairianto Diman examine the challenges countries face in meeting the air quality standards with Steve Yim, Director, Centre for Climate Change and Environmental Health. He's also Associate Professor, Asian School of the Environment, NTU.