06-04-2012 09:00; PM2.5; 164.0; 214; Very Unhealthy (at 24-hour exposure at this level)
6:07 PM - 3 Jun 2012
0 replies
2 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.