01-19-2014 05:00; PM2.5; 114.0; 181; Unhealthy (at 24-hour exposure at this level)
1:15 PM - 18 Jan 2014
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.