12-14-2017 13:00; PM2.5; 74.0; 161; Unhealthy (at 24-hour exposure at this level)
9:25 PM - 13 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.