By A Staff Reporter : Air quality indicators of Kolkata has dropped to 300. Air AQI exceeded 300 in some parts of North Kolkata on Wednesday. Which is harmful. The AQI was 281 in the area adjacent to Fort William that day. AQI was 276 in Ballygaunj at 2 pm. If the AQI of air will between 0 and 50, then the air can be said to be favorable for health.But the air of Calcutta is poisonous. The West Bengal Pollution Control Board has already identified the city's air as extremely harmful.
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