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Maya-Manzano, J.M. ; Tummon, F.* ; Abt, R.* ; Allan, N.* ; Bunderson, L.* ; Clot, B.* ; Crouzy, B.* ; Daunys, G.* ; Erb, S.* ; González-Alonso, M.* ; Graf, E.* ; Grewling, L.* ; Haus, J.* ; Kadantsev, E.* ; Kawashima, S.* ; Martínez-Bracero, M.* ; Matavulj, P.* ; Mills, S.* ; Niederberger, E.* ; Lieberherr, G.* ; Lucas, R.W.* ; O'Connor, D.J.* ; Oteros, J.* ; Palamarchuk, J.* ; Pope, F.D.* ; Rojo, J.* ; Sauliene, I.* ; Schäfer, S.* ; Schmidt-Weber, C.B. ; Schnitzler, M.* ; Šikoparija, B.* ; Skjøth, C.A.* ; Sofiev, M.* ; Stemmler, T.* ; Triviño, M. ; Zeder, Y.* ; Buters, J.T.M.

Towards European automatic bioaerosol monitoring: Comparison of 9 automatic pollen observational instruments with classic Hirst-type traps.

Sci. Total Environ. 866:161220 (2023)
Publ. Version/Full Text DOI PMC
Open Access Gold (Paid Option)
To benefit allergy patients and the medical practitioners, pollen information should be available in both a reliable and timely manner; the latter is only recently possible due to automatic monitoring. To evaluate the performance of all currently available automatic instruments, an international intercomparison campaign was jointly organised by the EUMETNET AutoPollen Programme and the ADOPT COST Action in Munich, Germany (March-July 2021). The automatic systems (hardware plus identification algorithms) were compared with manual Hirst-type traps. Measurements were aggregated into 3-hourly or daily values to allow comparison across all devices. We report results for total pollen as well as for Betula, Fraxinus, Poaceae, and Quercus, for all instruments that provided these data. The results for daily averages compared better with Hirst observations than the 3-hourly values. For total pollen, there was a considerable spread among systems, with some reaching R2 > 0.6 (3 h) and R2 > 0.75 (daily) compared with Hirst-type traps, whilst other systems were not suitable to sample total pollen efficiently (R2 < 0.3). For individual pollen types, results similar to the Hirst were frequently shown by a small group of systems. For Betula, almost all systems performed well (R2 > 0.75 for 9 systems for 3-hourly data). Results for Fraxinus and Quercus were not as good for most systems, while for Poaceae (with some exceptions), the performance was weakest. For all pollen types and for most measurement systems, false positive classifications were observed outside of the main pollen season. Different algorithms applied to the same device also showed different results, highlighting the importance of this aspect of the measurement system. Overall, given the 30 % error on daily concentrations that is currently accepted for Hirst-type traps, several automatic systems are currently capable of being used operationally to provide real-time observations at high temporal resolutions. They provide distinct advantages compared to the manual Hirst-type measurements.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Aerobiology ; Automatic Monitoring ; Intercomparison Campaign ; Pollen ; Pollen Classification ; Real-time; Particle Counter; Quality-control; Aerosol; Allergy
ISSN (print) / ISBN 0048-9697
e-ISSN 1879-1026
Journal Science of the Total Environment, The
Quellenangaben Volume: 866, Issue: , Pages: , Article Number: 161220 Supplement: ,
Publisher Elsevier
Publishing Place Radarweg 29, 1043 Nx Amsterdam, Netherlands
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute for Allergy Research (IAF)
Grants Academy of Finland (AKA)

Academy of Finland project ALL-Impress
COST Action
EUMETNET AutoPollen Programme
Research Council of Lithuania (LMTLT)
European Social Fund
Academy of Finland projects PS4A
BREATHE project from the Science Fund of the Republic of Serbia PROMIS program