12-30-2017 09:00; PM2.5; 218.0; 268; Very Unhealthy (at 24-hour exposure at this level)
5:25 PM - 29 Dec 2017
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.