BIG relief for Delhi-NCR residents: Air quality shows slight improvement but stays in 'poor' category, AQI reaches...; Check area-wise pollution level

Delhi's air quality improved on Thursday with the AQI dropping to 221, though it remained in the 'poor' category, CPCB data showed. Several areas recorded moderate air quality. Following the improvement, CAQM revoked Stage-IV of GRAP citing favourable weather conditions.