Coronavirus: China lockdowns lead to big dip in NO2 but air pollution stays steady, study finds

Severe epidemic lockdowns imposed across China in February led to a “striking” drop in nitrogen dioxide, but other pollutants remained at roughly the same levels, a study has found.Readings for nitrogen dioxide – a major component of air pollution – fell by about half in February compared with projected levels, an unprecedented decline, according to the researchers.Michael Diamond, lead author of the study and a University of Washington doctoral student in atmospheric sciences, said the…

from South China Morning Post https://www.scmp.com/news/china/science/article/3098378/coronavirus-china-lockdowns-lead-big-dip-no2-air-pollution-stays