Updated On: 22 December, 2023 09:47 AM IST | Mumbai | mid-day online correspondent
According to the Central Pollution Control Board`s SAMEER app, Mumbai`s air quality continued to be `moderate` with an Air Quality Index (AQI) of 171 at 9.30 am

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Mumbai`s air quality was in the `moderate` category on Friday morning.
The air quality index from 0 to 100 is considered `good`, 100 to 200 `moderate`, 200 to 300 `poor`, 300 to 400 `very poor` and from 400 to 500 or above `severe`.