Kuala Lampur, Sept. 18 -- Despite the thick haze here, Perak Department of Environment director Norazizi Adinan said weather conditions are not conducive for successful cloud seeding operations yet.

Norazizi said each cloud seeding attempt costs around RM100,000, making it vital to maximise the chances of success.

"We need to have suitable weather and proper planning before carrying out the operation.

"If we do it at the wrong time, the operation will fail and we might lose RM100,000. That is why some states have yet to carry out the operation even though the haze is bad at their locations," he told a press conference at the State Secretariat Building here.

A total of 303 schools with nearly 86,000 students in Perak were ordered close...