When PM2.5 levels went off the charts in 2012, or "crazy bad," as the US Embassy once described it in a tweet, Chinese denizens took to social media and they started to question why it was that they were seeing this disconnect between official air quality statistics and what they were seeing and breathing for themselves.
Quando os níveis de PM2,5 dispararam, em 2012, ou "mau demais", como os descreveu a Embaixada dos EUA num "tweet", os cidadãos chineses invadiram as redes sociais e começaram a questionar qual o motivo para verem tanta discrepância entre estatísticas oficiais da qualidade do ar e o que eles viam e respiravam.