An AQI between 0-50 is considered `good`, 51-100 `satisfactory`, 101-200 `moderate`, 201-300 `poor`, 301-400 `very poor` and 401-500 is marked as `severe`.
from Zee News :India National https://ift.tt/2NkupIJ
Sunday, January 12, 2020
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment