Disruptions caused by land and forest fires in Sumatra and Kalimantan continue to worsen as airlines have been forced to cancel flights, hundreds of thousands of people suffer from acute respiratory infections (ISPA) and the air quality reaches unhealthy levels in neighboring Malaysia and Singapore. Dozens of flights to and from Sepinggan International Airport in Balikpapan, East Kalimantan, Supadio International Airport in Kubu Raya and Pangsuma Putussibau Airport in Kapuas Hulu, both in West Kalimantan, have been canceled, rerouted or delayed due to smog, Antara reported. Meanwhile, air quality in Singapore has reached an unhealthy level for the first time since 2016, The Straits Times reported. The Indonesian Health Ministry said in a statement on Friday that the unhealthy air quality caused by land and forest fires had led people in the affected provinces to suffer from ISPA...