Delhi's AQI hits 494, making it the most polluted city globally, with severe health and economic implications.

New Delhi: Delhi environment minister Gopal Rai criticised the ... saying it failed to tackle air pollution in Delhi and ...

According to Swiss group IQAir's live rankings, New Delhi was the most polluted city in the world with the air quality at a ...

The GRAP for Delhi-NCR is divided into four stages of air quality — Stage 1 for “poor” Air Quality Index (AQI) ranging ...

Lungs of Class 10, 12 students no different stop physical classes of all standards upto Class 12, says Supreme Court.