04-20-2016 21:00; PM2.5; 58.0; 152; Unhealthy (at 24-hour exposure at this level)
6:15 AM - 20 Apr 2016
0 replies
2 retweets
0 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.