Beijing Breeze

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Wed, Jul 31, 2013: 07-31-2013 07:00; PM2.5; 29.0; 87; Moderate (at 24-hour exposure at this level)

@BeijingAir: 07-29-2013 08:00; PM2.5; 74.0; 161; Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 6:15 PM on Sat, Jul 27, 2013: 07-27-2013 18:00; PM2.5; 128.0; 188; Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 8:15 AM on Mon, Jul 22, 2013: 07-22-2013 08:00; PM2.5; 116.0; 182; Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 8:15 AM on Thu, Jul 18, 2013: 07-18-2013 08:00; PM2.5; 154.0; 204; Very Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Wed, Jul 17, 2013: 07-17-2013 07:00; PM2.5; 42.0; 117; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 8:15 AM on Tue, Jul 16, 2013: 07-16-2013 08:00; PM2.5; 11.0; 46;

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Wed, Jul 10, 2013: 07-10-2013 07:00; PM2.5; 30.0; 89; Moderate (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Tue, Jul 09, 2013: 07-09-2013 07:00; PM2.5; 140.0; 195; Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 8:15 AM on Mon, Jul 08, 2013: 07-08-2013 08:00; PM2.5; 73.0; 160; Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 8:15 AM on Fri, Jul 05, 2013: 07-05-2013 08:00; PM2.5; 23.0; 74; Moderate (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Thu, Jul 04, 2013: 07-04-2013 07:00; PM2.5; 19.0; 66; Moderate (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Wed, Jul 03, 2013: 07-03-2013 07:00; PM2.5; 56.0; 151; Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 7:15 AM on Tue, Jul 02, 2013: 07-02-2013 07:00; PM2.5; 18.0; 63; Moderate (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) tweeted at 5:15 PM on Mon, Jul 01, 2013: 07-01-2013 17:00; PM2.5; 193.0; 243; Very Unhealthy (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) 06-28-2013 07:00; PM2.5; 257.0; 307; Hazardous (at 24-hour exposure at this level)

BeijingAir (@BeijingAir) 06-26-2013 07:00; PM2.5; 188.0; 238; Very Unhealthy (at 24-hour exposure at this level)