The air quality in the capital has deteriorated back to the ‘poor’ category. The AQI on Sunday at 7 am was recorded at 255.

Delhi-NCR's pollution during October-November is largely of local origin, with stubble burning in Punjab and Haryana contributing 14 per cent to the overall PM2.5 levels in 2022, a study has ...

CAQM has imposed the highest restrictions under GRAP Stage-IV in NCR due to Delhi's AQI surpassing 400. The rapid increase in pollution levels led to the halt of construction work and ...