PM levels

Rise in pollution: Saturday's Real-time Air Quality Index Visual Map in Delhi

Purple haze over Chinese city puzzles residents

Air quality in Delhi plunges to 'very poor' level

Pollution scare: Thursday's Real-time Air Quality Index Visual Map in Delhi

Air Pollution: Tuesday's Real-time Air Quality Index Visual Map in Delhi

Air Pollution: Saturday's Real-time Air Quality Index Visual Map in Delhi

Delhi: Kejriwal govt suggests shutting down of schools to fight pollution