Smoke from Indonesia ’s wildfires killed an estimated 3,560 people in September alone – twice the estimate for August – according to a new report.

The deaths from fire smoke made up about two thirds of the 5,310 deaths from all air pollution in Indonesia in September.

This marked a rise of 42 per cent from 3,740 in August, in a country of about 278 million people.

A further 1,750 deaths came from urban and industrial pollution.

The Centre for Research on Energy and Clean Air (CREA), a Helsinki -based think tank, estimated the deaths from short-term exposure to fine particle pollution, known as PM2.5, in the days after exposure, and gave a range of 4,610 to 6,080 for the total.…