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Bad air measures kick in next week to check spike

An AQI in the range of 0-50 is considered ‘good’, 51-100 ‘satisfactory’, 101-200 ‘moderate’, 201-300 ‘poor’, 301-400 ‘very poor’ and 401-500 ‘severe’, as per norms laid down by the Central Pollution Control Board (CPCB).

from Hindustan Times - india https://ift.tt/2oqXdGr
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