Mumbai’s air is ‘satisfactory’ and ‘unhealthy’. How can both be true?

On October 15, IQAir ranked Mumbai the most polluted city in India. The same day, the Central Pollution Control Board described the air as ‘Satisfactory’. So what explains the gap?
The Indian Express finds out
Read the full report on The Indian Express
Story file
- Section
- Science
- Places
- Maharashtra
- First reported by
- The Indian Express
- Reporter
- pratip acharya
- Published
- Monday, 26 October 2026, 8:23 am IST
- Coverage
- One outlet so far
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