At 2pm today:
BeijingAir BeijingAir
12-28-2011; 14:00; PM2.5; 63.0; 146; Unhealthy for Sensitive Groups (at 24-hour exposure at this level) // Ozone; 0.0; 0; No Reading
Then 5 hours later:
BeijingAir BeijingAir
12-28-2011; 19:00; PM2.5; 437.0; 458; Hazardous (at 24-hour exposure at this level) // Ozone; 0.0; 0; No Reading
I lack words to describe what "437" air smells like, but those of you who aren't in "the Capital" this evening should count your blessings. Ironically, traffic was abnormally light today.