09-11-2013 12:00 to 09-12-2013 11:59; PM2.5 24hr avg; 114.4; 181; Unhealthy
9:15 PM - 11 Sep 2013
0 replies
1 retweet
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.