Delhi's Air Quality in Severe Zone, Expected to Enter 'Severe Plus' Emergency Category
An AQI between 201 and 300 is 'poor', 301-400 'very poor' and 401-500 'severe' while the AQI above 500 falls in the severe plus category.
from Top India News- News18.com https://ift.tt/2NI7rMn
Labels: India, Top India News- News18.com
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