It is well known that at least 20 million of Indonesia's people were directly or indirectly affected by the 1997/1998 Indonesian forest and field fires, where 10-11 million acres of forest and fields burnt.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/impact-surface-fires-peatland-land-preparation-area-belong-community
[2] http://admin.indiaenvironmentportal.org.in/category/author/bambang-hero-saharjo
[3] http://admin.indiaenvironmentportal.org.in/category/journal/global-environmental-research
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/peat
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indonesia
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-fires
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-use
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects