Tian'anmen Square in the fog. A couple were taking pictures amid the haze. The Beijing National Stadium, or the Bird' Nest Popular Science 大众科学 相对湿度 relative humidity 能见度 visibility 雾 Fog >90% <1km 霾 Haze <80% 1km-10km Measurement 计量方式 AQJ (Air Quality Index) 空气质量指数 PM2.5 PM10 SO2 NO2 O3 CO Updated Every hour API (Air Pollution Index) 空气污染指数 SO2 NO2 PM10 Updated Every day What is PM ? Particular Matter PM10可吸入颗粒物 PM2.5可入肺颗粒物 Burning of fossil fuels in vehicles 机动车燃油 Power plants 发电厂 Various industrial processes 各类工业生产 Air Quality Index Levels of Health Concern Numerical Value Good 0-50 Moderate 51-100 Unhealthy for Sensitive Groups 101-150 Unhealthy 151-200 Very Unhealthy 201-300 > 300 Off the charts!爆表了! Hazardous I am in a fog 云里雾里 1.Terrifying 恐怖 Hang in there! 忍一下 2. Ridicule 调侃 Dust and smog is crazily thick! Be strong and do not breathe! The longest distance in the world is that I couldn’t see Chairman Mao even though I am right in front of the Tiananmen! 最远的距离是站在天安 门前却看不到毛主席! 3. Fearless 无畏 Whatever doesn’t kill you simply makes you stronger! 杀不死你的会让你更 强大!梅花香自苦寒 来! Face the problem 直视问题 Do not sugarcoat it! 不要粉饰 • The cause: 第一, 污染物排放量大。 Large pollutant emission 第二, 扩散条件不利。 Disadvantageous condition for dispersal 第三, 区域污染和本地污染贡献叠加。 Multiply effect of regional pollution and local pollution • • • • • 戴面罩 wear the Mask 公共交通 public transportation 混合动力车 hybrid car 清洁能源 clean Energy 社会监督 public supervision • We are all in this together! • We shall survive and thrive together! • 同呼吸,共责任!