Delhi November air quality threatened by Punjab farm fires

In October and November, farmers in Punjab and Haryana burn their fields to cheaply clear paddy stubble, raising PM2.5 levels in neighbouring Delhi


(A farmer in Chandigarh burns paddy husks after a harvest) Since September 2015, an ecological and public health disaster has been unfolding in Indonesia, as fires burn out of control. Such fires spread a haze over the region every autumn; this year is different only in severity and because it has caught international attention, with Indonesia surpassing China and the USA for several weeks as the world’s biggest carbon emitter. North India – and, in particular, Delhi – has its own version of this public-health disaster unfolding right now. Once winter sets ...