The four districts affected are Muar, Kota Tinggi, Pontian and Gelang Patah.
State health and environment committee chairman R. Vidyananthan said that the state government has taken several measures to manage the ongoing dry and hot weather here, including activating patrolling activities around fire-prone areas.
"Court actions will also be taken against those committing open burnings at industrial, construction and farming areas while compounds will be given to those causing smaller open burnings.
"We will also ensure that any form of burnings conducted is in line with the conditions set by the Environmental Quality (Declared Activities) (Open Burning) Order 2003," he said in a statement here on Sunday (March 7).