Post #827999 188 Oct 16, 2026, 03:52 UTC Mumbai’s air is worst in India: What’s making it dangerous to breathe via The Indian Express https://ift.tt/PhtuGg8 The Indian Express Mumbai’s air is worst in India: What’s making it dangerous to breathe The city recorded an Air Quality Index (AQI) of 152 on Thursday, categorised as unhealthy, with ground-level ozone (O3) identified as the primary pollutant, according to iQAir, a US-based air quality monitoring organisation.