But I’m in Anhui now, so I get a reprieve from “worse than hazardous” pollution. “Hazardous” is the highest level on the US Embassy’s pollution rating system, which goes up to 500. The reading for Sunday afternoon, via @BeijingAir: 02-20-2011; 16:00; PM2.5; 526.0; 500; Beyond Index // Ozone; 3.6; 3; Good That was right after […]