Why smog-reading apps pose a threat to Chinese authorities | South China Morning Post
Peking, China. 29. November 2014. Fußgänger tragen Gesichtsmaske Atemschutzmasken gegen schweren Smog in Peking, Hauptstadt von China, 29. November 2014. Chinas Hauptstadt wurde am Samstag wieder in einen schweren Smog gefangen. Pekings
Life behind a mask — China′s cities still choking on smog | Environment | All topics from climate change to conservation | DW | 18.01.2018
Alltag in Peking: Das mörderische Potenzial der Luft in China - WELT
Don't Blame the Weather For China's Smog | Fortune
WorldTimes-Online - Höchste Smog-Alarmstufe in Peking
China: Spezielle Klinik kümmert sich um Smog-Opfer - WELT
China rolls out WATER CANNON to take on Beijing smog | Daily Mail Online
Masks to protect against China's smog not always effective, tests show | CBC News
CHINA “Even Mao is wearing a mask” in smog-choked China
Choosing an Air Pollution Mask for China - David's Been Here
Pictures show air pollution in China forcing Liaoning Province residents to wear GAS MASKS | Daily Mail Online
China Smog Triggers Demand for Masks, Filters, but Hobbles Deliveries
Smog in Peking: Feinstaub und Luftverschmutzung in China - DER SPIEGEL
Online-Suchen im Smog: Starke Nachfrage nach Masken, Filtern und Kondomen_China.org.cn
Chinese tourists wear masks at Tiananmen Square in Beijing February 26, 2014. Air pollution has shrouded parts of northeast China since last Friday, leaving residents choking on levels of hazardous smog. Credit:
China: Desperate Consumers Snap Up 'Anti-Pollution' Products | Time