上海环境监测中心
SEMC (Shanghai Environmental Monitoring Center)
e.g. The heavy pollution shrouded Shanghai this morning as the air quality index peaked at 261 by 9am, the Shanghai Environmental Monitoring Center said.
上海环境监测中心说，今晨严重的污染覆盖了申城，上午9点的空气质量指数达到261的峰值。
