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A distributed network of low-cost continuous reading sensors to measure spatiotemporal variations of PM2.5 in Xi'an, China
Gao, Meiling1; Cao, Junji2; Seto, Edmund3
2015-04-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume199Pages:56-65
SubtypeArticle
Abstract

Fine particulate matter (PM2.5) is a growing public health concern especially in industrializing countries but existing monitoring networks are unable to properly characterize human exposures due to low resolution spatiotemporal data. Low-cost portable monitors can supplement existing networks in both developed and industrializing regions to increase density of sites and data. This study tests the performance of a low-cost sensor in high concentration urban environments. Seven Portable University of Washington Particle (PUWP) monitors were calibrated with optical and gravimetric PM2.5 reference monitors in Xi'an, China in December 2013. Pairwise correlations between the raw PUWP and the reference monitors were high (R-2 = 0.86-0.89). PUWP monitors were also simultaneously deployed at eight sites across Xi'an alongside gravimetric PM2.5 monitors (R-2 = 0.53). The PUWP monitors were able to identify the High-technology Zone site as a potential PM2.5 hotspot with sustained high concentrations compared to the city average throughout the day. (C) 2015 The Authors. Published by Elsevier Ltd.

KeywordLow-cost Portable Sensor Pm2.5 Network Monitoring Air Quality Exposure Assessment
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.envpol.2015.01.013
WOS KeywordAir-pollution ; Health
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000351972900008
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:73[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9348
Collection粉尘与环境研究室
Corresponding AuthorGao, Meiling
Affiliation1.Univ Calif Berkeley, Sch Publ Hlth, Environm Hlth Sci Div, Berkeley, CA 94720 USA
2.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Sci & Technol, Xian 710075, Peoples R China
3.Univ Washington, Sch Publ Hlth, Environm & Occupat Hlth, Seattle, WA 98195 USA
Recommended Citation
GB/T 7714
Gao, Meiling,Cao, Junji,Seto, Edmund. A distributed network of low-cost continuous reading sensors to measure spatiotemporal variations of PM2.5 in Xi'an, China[J]. ENVIRONMENTAL POLLUTION,2015,199:56-65.
APA Gao, Meiling,Cao, Junji,&Seto, Edmund.(2015).A distributed network of low-cost continuous reading sensors to measure spatiotemporal variations of PM2.5 in Xi'an, China.ENVIRONMENTAL POLLUTION,199,56-65.
MLA Gao, Meiling,et al."A distributed network of low-cost continuous reading sensors to measure spatiotemporal variations of PM2.5 in Xi'an, China".ENVIRONMENTAL POLLUTION 199(2015):56-65.
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