Data Analysis of Low-cost Air Quality Sensors in Helsinki

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dc.contributor.author Zaidan, Martha
dc.contributor.author Hossein Motlagh, Naser
dc.contributor.author Fung, Pak Lun
dc.contributor.author Timonen, Hilkka
dc.contributor.author Tarkoma, Sasu
dc.contributor.author Hussein, Tareq
dc.contributor.author Petäjä, Tuukka
dc.contributor.author Kulmala, Markku
dc.date.accessioned 2021-08-31T12:54:01Z
dc.date.available 2021-08-31T12:54:01Z
dc.date.issued 2020-06
dc.identifier.citation Zaidan , M , Hossein Motlagh , N , Fung , P L , Timonen , H , Tarkoma , S , Hussein , T , Petäjä , T & Kulmala , M 2020 , Data Analysis of Low-cost Air Quality Sensors in Helsinki . Nordic Society for Aerosol Research (NOSA) , Denmark .
dc.identifier.other PURE: 131479177
dc.identifier.other PURE UUID: 1994d5e1-cb14-4e68-99fa-c1f3d5ba8a1c
dc.identifier.other ORCID: /0000-0002-0241-6435/work/99270999
dc.identifier.other ORCID: /0000-0002-6348-1230/work/99272911
dc.identifier.other ORCID: /0000-0003-3493-1383/work/99273019
dc.identifier.other ORCID: /0000-0001-9923-9879/work/99273065
dc.identifier.other ORCID: /0000-0002-1881-9044/work/102822646
dc.identifier.uri http://hdl.handle.net/10138/333822
dc.description.abstract High population density is exposed with excess anthropogenic emissions impacting environment and health effects. Highly accurate and reliable air quality monitoring stations which have been established to continuously monitor the air pollution are expensive and complex in operation and maintenance. Dense deployment of low-cost air quality sensors in urban areas allows detecting the pollution hotspots in real-time. In this paper, we present data analysis of two identical low-cost sensors that measure meteorological variables, PM2.5 and CO2. The low-cost sensors were installed at a reference station. The results demonstrate that the sensors are consistent among themselves. When the sensors were compared with the reference station’s measurements, the sensors demonstrate adequate accuracy for meteorological variables. However, for PM2.5 and CO2, the sensors accuracies are not satisfactory, indicating that the sensors need to be calibrated or a proxy needs to be developed. en
dc.format.extent 1
dc.language.iso eng
dc.publisher Nordic Society for Aerosol Research (NOSA)
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject 113 Computer and information sciences
dc.title Data Analysis of Low-cost Air Quality Sensors in Helsinki en
dc.type Other contribution
dc.contributor.organization Global Atmosphere-Earth surface feedbacks
dc.contributor.organization INAR Physics
dc.contributor.organization Department of Computer Science
dc.contributor.organization Air quality research group
dc.contributor.organization Content-Centric Structures and Networking research group / Sasu Tarkoma
dc.contributor.organization Helsinki Institute for Information Technology
dc.contributor.organization Department of Physics
dc.contributor.organization Institute for Atmospheric and Earth System Research (INAR)
dc.description.reviewstatus Non peer reviewed
dc.rights.accesslevel openAccess
dc.type.version acceptedVersion

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