Capital unable to remove its post-fireworks veil
With an average 24-hour AQI of 397 on Tuesday, the air quality index approached the verge of the "severe" category.
Toxic and grey! Delhi’s AQI reaches 422, causing discomfort; 12 stations register severe readings
At twelve of Delhi's monitoring stations, the air quality index (AQI) recorded levels of severe 422.
Air quality recorded very poor in Delhi
Environment Minister Gopal Rai suggested the people to switch- off their vehicles while waiting at the traffic signals.
