This article was originally published on Phys.org


“China’s measures to improve air quality are working, but more stringent policies should be put in place to safeguard public health, a new study has shown.

Air pollution in China, especially in mega-metropolitan areas, is a matter of concern due to its impact on public health. The study, from Tsinghua University, Beijing, used satellite-derived aerosol optical depth measurements, ground based observations, and  simulations to examine the levels of fine particulate matter with aerodynamic diameter less than 2.5 μm (PM2.5) and its adverse health impacts across China.

It is published today in the journal Environmental Research Letters. Lead author Yixuan Zheng said: “Exposure to PM2.5 can cause adverse health effects including cardiovascular and respiratory morbidity and mortality, and outdoor PM2.5 exposure contributed to approximately 1.22 million deaths in China in 2013…”

Read on at: Phys.org.