According to the Central Pollution Control Board (CPCB), the AQI stood at 488 at 9 am ... levels reach around 500 micrograms per cubic meter, led to over 4,000 premature deaths due to a ...

Delhi Air Quality Index (AQI) crossed the 500 mark on Sunday (Nov. 3) as the air quality continues to deteriorate. As of 7 am, the air quality in the national capital dipped to the ‘hazardous ...