Journal
10TH CONFERENCE ON INTERDISCIPLINARY PROBLEMS IN ENVIRONMENTAL PROTECTION AND ENGINEERING EKO-DOK 2018
Volume 44, Issue -, Pages -Publisher
E D P SCIENCES
DOI: 10.1051/e3sconf/20184400006
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Funding
- Minister of Science and Higher Education for the Faculty of Environmental Engineering, WUST [0402/0130/17]
- European Union
- NFOSiGW within LIFE+ Program, Project: LIFE-APIS/PL-Air Pollution and biometeorological forecast and Information System [LIFE12 ENV/PL/000056]
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Monitoring systems are needed to obtain information about particulate matter (PM) concentrations and to make such information accessible to the public. Small, low-cost, optical sensors could be used to improve the spatial and temporal resolution of PM data. The paper presents results of collocated comparison of four low-cost PM sensors and TEOM analyser, conducted from 20-08-2017 to 24-12-2017 in Wroclaw, Poland. Plantower PMS7003 and Nova Fitness SDS011 sensors proved to be the best in terms of precision and were linearly correlated with TEOM data. Alphasense OPC-N2 sensors exhibited only moderate precision and linearity. Winsen ZHO3A sensors had low repeatability between units and only one copy demonstrated good operation possibilities. All tested sensors had a bias in relation to PM2.5 concentrations obtained from TEOM.
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