Abstract:
Numerous epidemiological studies have confirmed significant associations between atmospheric particulate matter (PMs) exposure and an increase of cause-specific mortality.This review systematically expounds that atmospheric exposure to sizefractionated PMs is associated with the most severe health endpoint-mortality.It points out that given the extensively studied relationship between PM
10 and mortality,researchers are turning their attention to PM
2.5.However,there are limited data on the comparison between PM
10-2.5 and PM
2.5 and on the health effects of PM
0.1 exposure.PM
0.1 will be an important fraction of future epidemiological studies because of its huge number concentrations.