Philippine capital’s ‘acutely unhealthy’ air due to Indonesian haze spurs warnings

Smoke from Indonesian wildfires blanketed Manila on Tuesday, turning fires nearly 2,000km (1,242 miles) away into a public-health warning for the Philippine capital and reviving concerns over Southeast Asia’s recurring transboundary haze problem. The haze, carried by southwesterly winds from fires in Kalimantan, the Indonesian part of Borneo, prompted health experts to urge people to wear N95 masks outdoors as air quality deteriorated across parts of Metro Manila. In parts of the capital region,...