Updated On: 22 December, 2021 10:47 AM IST | Mumbai | mid-day online correspondent
PM2.5 concentration in Mumbai air is currently 19.8 times above the WHO annual air quality guideline value

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Mumbai’s air quality on Wednesday slipped to “severe” category with an AQI of 203, according to aqi.in.
The AQI increased by 20 points as compared to 183 on Tuesday.