pm2.5 anti virusface mouth mask for the elderly zambia
Life goes on under cloud of smog in Mexico City - China Plus
But the wildfires have undoubtedly made matters worse. They have sent the levels of PM2.5 soaring -- tiny particles produced by any fire that are the deadliest air pollutant. Authorities declared a pollution alert from Tuesday to Friday, after the micro-particle level hit 158 micrograms per cubic meter.
News & Reports 2012-11-17 - China Radio International
Broadcasting Time 07:00-08:00, GMT+08:00, 2012-11-17. Hello and Welcome to News and Reports on China Radio International. In This Edition. Tensions on the ground in Israel and the Gaza Strip remain high, as both sides in this week's growing conflict continue trading shots. The United States signs a new defense pact with Thailand.
How to choose a right mask? 防霾口罩您戴正确了吗？-千龙网· …Translate this page
A level-A mask is for heavy pollution use when the PM2.5 concentration is above 500 microgram per cubic meter. A level-D mask is prepared for medium and low air pollution. Following the instruction and trying it on to check whether a mask perfectly fits on your face is the third step.
Bye-bye blue More smog settling in-千龙网·中国首都网Translate this page
Residents, especially the elderly and young children, should minimize the length and intensity of outdoor activities and should wear a mask on smoggy days, said Zeng Xiaopeng, deputy director of the Beijing Center for Disease Prevention and Control. When returning home, people should wash their faces and rinse out their mouths.