epa11837733 A general view of Wat Arun (Temple of Dawn) as Bangkok is shrouded by air pollution of fine particulate matter, Thailand, 20 January 2025. Bangkok Governor Chadchart Sittipunt urged people to work from home on 20 and 21 January, to cope with PM2.5 fine dust air pollution which has been increasing continuously for several days to unhealthy...

epa11837734 High rise buildings are shrouded by air pollution of fine particulate matter in Bangkok, Thailand, 20 January 2025. Bangkok Governor Chadchart Sittipunt urged people to work from home on 20 and 21 January, to cope with PM2.5 fine dust air pollution which has been increasing continuously for several days to unhealthy levels. EPA/NARONG SANGNAK

epa11837756 A pedestrian wears a protective mask amid heavy air pollution in Bangkok, Thailand, 20 January 2025. Bangkok Governor Chadchart Sittipunt urged people to work from home on 20 and 21 January, to cope with PM2.5 fine dust air pollution which has been increasing continuously for several days to unhealthy levels. EPA/NARONG SANGNAK

epa11837758 Pedestrians wearing protective masks cross a street amid heavy air pollution in Bangkok, Thailand, 20 January 2025. Bangkok Governor Chadchart Sittipunt urged people to work from home on 20 and 21 January, to cope with PM2.5 fine dust air pollution which has been increasing continuously for several days to unhealthy levels. EPA/NARONG SANGNAK