A new study published in National Science Review examines China's trends in primary particulate matter (PM) emissions from 1960 to 2019, revealing significant transformations in PM size fractions and ...

Although an accurate evaluation of the distribution of ultrafine particulate matter in air is of utmost significance to public health, the usually used PM 2.5 index fails to provide size ...

Air quality has a huge impact on health, with exposure to particles with an aerodynamic diameter ... have shown that exposure to fine particulate matter (PM2.5) is closely associated with several ...