12-29-2015 22:00; PM2.5; 499.0; 499; Hazardous (at 24-hour exposure at this level)
6:15 AM - 29 Dec 2015
0 replies
4 retweets
1 like
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.