Delhi’s air quality remained in the ‘very poor’ category on Friday, with the overall AQI recorded at 346 at 7 am, according to CPCB data. The capital is also facing a cold wave, with temperatures dropping to around 5.4°C. Dense to very dense fog severely reduced visibility across north and east India

According to the Sameer app, Mumbai’s air quality index (AQI) on Friday stands at 104, categorised as moderate. This level may cause breathing discomfort for people with lung disorders, asthma, or heart conditions