Schools in Delhi and nearby areas have shifted to online learning and construction work has been suspended as the Indian capital battles dangerously polluted air. A thick toxic haze covered the city on Monday morning, reducing visibility and disrupting flights and train services.
The air quality index in Delhi surged to levels more than 30 times higher than those recommended by the World Health Organization. Such exposure, driven largely by fine PM2.5 particles, poses serious health risks, particularly to children and older people.
Why air quality has worsened
Air pollution is a persistent winter problem in Delhi and its...