Mumbai's air quality has deteriorated, with a health alert being issued in the CST (Chhatrapati Shivaji Terminus) area. On Wednesday, the overall Air Quality Index (AQI) for Mumbai was measured at 149, categorizing it as 'Moderate' according to data provided by the System of Air Quality and Weather Forecasting and Research (SAFAR)-India. However, many areas in the city experienced 'poor' and 'very poor' air quality, news agency ANI reported.

At 7 am, the state pollution control meter at Chhatrapati Shivaji Terminus (CST) recorded 'very poor' air quality, prompting a health alert for the CST area. The air quality index varied across different areas of Mumbai, with the Bandra Kurla Complex showing a 'moderate' air quality with an AQI of 200 at 9 am, while Colaba and Borivali East reported 'moderate' air quality with AQIs of 151 and 141, respectively.