According to data from the Central Pollution Control Board's Sameer app, Mumbai's average AQI stood at 121 on Saturday. Mumbai's worsening smog has left residents struggling to step out, with morning walks becoming impossible, the Bombay High Court said. Calling the pollution an "emergency", the bench questioned. A thick layer of smog was seen over Mumbai's Bandra Reclamation, with the AQI reported at 198 in visuals shared by IANS.