Yearly Haze over KL

Every year at the start of the raining season the HAZE comes back to KL. Originating from manmade forest fires Sumatra / Indonesia the haze crossses the Strait of Melacca to Malaysia and Singapore.
API - Air Pollution Index is considered unhealthy at a value above 100. in 2005 it reaches 500 on certain days. This year we were lucky with values reaching only 150.
NIKON D70s