05-16-2013 12:00 to 05-17-2013 11:59; PM2.5 24hr avg; 95.6; 172; Unhealthy
9:15 PM - 16 May 2013
0 replies
0 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.