Md Noor Bin Bujang watches television while using an oxygen concentrator at his home in Rawang, Malaysia's Selangor state, on October 16, 2026. Toxic haze from wildfires burning in Indonesia has spiked a demand for oxygen tanks and air purifiers across the region, manufacturers say, as they work the clock on equipment providing life-saving clean air. (Photo by Mohd Rasfan / AFP via Getty Images) / To go with AFP story Malaysia-Singapore-environment-health-haze, FOCUS by Isaac Chong and Isabelle Leong