04-21-2015 16:00; PM2.5; 46.0; 127; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
04-21-2015 16:00; PM2.5; 46.0; 127; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)