منابع مشابه
Air quality during the 2008 Beijing Olympic Games
China is taking major steps to improve Beijing’s air quality for the 2008 Olympic Games. However, concentrations of fine particulate matter and ozone in Beijing often exceed healthful levels in the summertime. Based on the US EPA’s Models-3/CMAQ model simulation over the Beijing region, we estimate that about 34% of PM2.5 on average and 35–60% of ozone during high ozone episodes at the Olympic ...
متن کاملOccupational and Environmental Medicine 2008 ( in press ) Air pollution and asthma severity in adults
Objectives There is evidence that exposure to air pollution affects asthma, but the effect of air pollution on asthma severity has not been addressed. The aim was to assess the relation between asthma severity during the past 12 months and home outdoor concentrations of air pollution. Methods Asthma severity over the last 12 months was assessed in two complementary ways among 328 adult asthmati...
متن کاملRacial/Ethnic Disparities in the Prevalence of Selected Chronic Diseases Among US Air Force Members, 2008
INTRODUCTION Few studies have evaluated possible racial/ethnic disparities in chronic disease prevalence among US Air Force active-duty members. Because members have equal access to free health care and preventive screening, the presence of health disparities in this population could offer new insight into the source of these disparities. Our objective was to identify whether the prevalence of ...
متن کاملAir quality during the 2008 Beijing Olympics: secondary pollutants and regional impact
This paper presents the first results of the measurements of trace gases and aerosols at three surface sites in and outside Beijing before and during the 2008 Olympics. The official air pollution index near the Olympic Stadium and the data from our nearby site revealed an obvious association between air quality and meteorology and different responses of secondary and primary pollutants to the c...
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ژورنال
عنوان ژورنال: ACM SIGIR Forum
سال: 2009
ISSN: 0163-5840
DOI: 10.1145/1670598.1670611