This entry was posted in Twitter on January 3, 2016 by twilight @varungrover clarity of sky depends on lot of factors so may not suffice ..clear sky may also have high pollution etc
Reply ↓ varungrover January 3, 2016 at 23:09 @twilightfairy Waise lots of people putting pollution readings in their area through some phone app. But get what you are saying.
@twilightfairy Waise lots of people putting pollution readings in their area through some phone app. But get what you are saying.