Wildfire smoke killed 3,560 people in Indonesia in September

Air pollution deaths in Indonesia rose 42 per cent in September, from an estimated 3,740 in August to 5,310, according to the Centre for Research on Energy and Clean Air.

Kalimantan, hazardous air

6.4 million at the worst 2.8 million before

A record 58 million people breathed air rated unhealthy to hazardous in September. In Kalimantan alone, people breathing hazardous air nearly tripled, from 2.8 million to 6.4 million.

Jakarta says it has deployed more than 72,000 people for firefighting and cloud-seeding, and distributed 5.3 million masks. It faces growing criticism over its response.