{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T18:25:08Z","timestamp":1779215108409,"version":"3.51.4"},"reference-count":28,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2012,12,24]],"date-time":"2012-12-24T00:00:00Z","timestamp":1356307200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Fixed air quality stations have limitations when used to assess people's real life exposure to air pollutants. Their spatial coverage is too limited to capture the spatial variability in, e.g., an urban or industrial environment. Complementary mobile air quality measurements can be used as an additional tool to fill this void. In this publication we present the Aeroflex, a bicycle for mobile air quality monitoring. The Aeroflex is equipped with compact air quality measurement devices to monitor ultrafine particle number counts, particulate mass and black carbon concentrations at a high resolution (up to 1 second). Each measurement is automatically linked to its geographical location and time of acquisition using GPS and Internet time. Furthermore, the Aeroflex is equipped with automated data transmission, data pre-processing and data visualization. The Aeroflex is designed with adaptability, reliability and user friendliness in mind. Over the past years, the Aeroflex has been successfully used for high resolution air quality mapping, exposure assessment and hot spot identification.<\/jats:p>","DOI":"10.3390\/s130100221","type":"journal-article","created":{"date-parts":[[2012,12,24]],"date-time":"2012-12-24T07:41:06Z","timestamp":1356334866000},"page":"221-240","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":101,"title":["The Aeroflex: A Bicycle for Mobile Air Quality Measurements"],"prefix":"10.3390","volume":"13","author":[{"given":"Bart","family":"Elen","sequence":"first","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Peters","sequence":"additional","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martine","family":"Poppel","sequence":"additional","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nico","family":"Bleux","sequence":"additional","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Theunis","sequence":"additional","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matteo","family":"Reggente","sequence":"additional","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"},{"name":"Department of Information Technology (INTEC), Ghent University, Sint-Pietersnieuwstraat 41, 9000 Ghent, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arnout","family":"Standaert","sequence":"additional","affiliation":[{"name":"VITO \u2014 Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2012,12,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"4781","DOI":"10.1016\/j.atmosenv.2007.02.002","article-title":"Fine particulate matter and carbon monoxide exposure concentrations in urban street transport microenvironments","volume":"41","author":"Kaur","year":"2007","journal-title":"Atmos. 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