Background Epidemiologic and health impact studies of fine particulate matter with diameter
< 2.5 μm (PM 2.5 ) are limited by the lack of monitoring data, especially in developing …

Epidemiologic and health impact studies are inhibited by the paucity of global, long-term
measurements of the chemical composition of fine particulate matter. We inferred PM 2.5 …

… Many epidemiologic studies have documented variable relationships between ambient
particulate matter (PM) and COPD hospitalizations and mortality in cities worldwide. …

To identify major sources of ambient fine particulate matter (PM 2.5 , dp < 2.5 μm) and quantify
their contributions in the state of California, a positive matrix factorization (PMF) receptor …

… that acute and chronic exposure to ambient fine particulate matter (PM 2.5 ) air pollution …
Objectives: This study examined the association between mean long-term ambient PM 2.5 …

… to long-term exposure to fine particulate matter (PM 2.5 ) in ambient air requires knowledge
of both … at the high ambient concentrations observed in many places in the world is lacking. …

… exposure to ambient fine particulate matter and effects on the … value of reported exposure
to fine particulate matter (PM 2.5 ) … We here show that maternal exposure to fine particulate air …

… Recently, ambient particulate matter has been regarded as a … short-term increases in particulate
matter result in increased … -term exposure to particulate matter is also associated with an …

Understanding the sectoral contribution of emissions to fine particulate matter (PM 2.5 )
offers information for air quality management, and for investigation of association with health …

… Airborne particulate matter presents a serious health threat to … of ambient fine particulate
matter (PM 2.5 ). This study explored first the temporal and spatial characteristics of ambient …