Indonesia has intensified efforts to contain haze in six provinces hit the hardest by forest and land fires in Kalimantan and Sumatra islands, which so far have reached 73,311 hectares.

September will be a crucial month, Indonesia’s forestry minister has cautioned, with experts saying the country may not have reached the peak of this year’s fire season yet.

Indonesia has intensified efforts to contain haze in six provinces hit the hardest by forest and land fires in Kalimantan and Sumatra islands, which so far have reached 73,311…