Articles | Volume 20, issue 3
https://doi.org/10.5194/acp-20-1233-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-1233-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Feb 2020
Research article |
| 03 Feb 2020
| 03 Feb 2020
The impact of biomass burning and aqueous-phase processing on air quality: a multi-year source apportionment study in the Po Valley, Italy
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Stefania Gilardoni
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Matteo Rinaldi
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Stefano Decesari
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Nicola Zanca
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
now at: Department of Chemistry and Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, 00014 Helsinki, Finland
Silvia Sandrini
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Lara Giulianelli
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Dimitri Bacco
Regional Agency for prevention, environment and energy (ARPAE) of
Emilia-Romagna, Bologna, Italy
Silvia Ferrari
Regional Agency for prevention, environment and energy (ARPAE) of
Emilia-Romagna, Bologna, Italy
Vanes Poluzzi
Regional Agency for prevention, environment and energy (ARPAE) of
Emilia-Romagna, Bologna, Italy
Fabiana Scotto
Regional Agency for prevention, environment and energy (ARPAE) of
Emilia-Romagna, Bologna, Italy
Arianna Trentini
Regional Agency for prevention, environment and energy (ARPAE) of
Emilia-Romagna, Bologna, Italy
Laurent Poulain
Leibniz-Institut für
Troposphärenforschung (TROPOS), 04318 Leipzig, Germany
Hartmut Herrmann
Leibniz-Institut für
Troposphärenforschung (TROPOS), 04318 Leipzig, Germany
Alfred Wiedensohler
Leibniz-Institut für
Troposphärenforschung (TROPOS), 04318 Leipzig, Germany
Francesco Canonaco
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen
PSI 5232, Switzerland
André S. H. Prévôt
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen
PSI 5232, Switzerland
Paola Massoli
Aerodyne Research, Inc. Billerica, MA, USA
MultiSensor Scientific, Inc., Greentown Labs, Sommerville, MA, USA
Claudio Carbone
Proambiente S.c.r.l., CNR Research Area, Bologna, Italy
Maria Cristina Facchini
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
Sandro Fuzzi
Italian National Research Council – Institute of Atmospheric Sciences and Climate (CNR-ISAC), 40129 Bologna, Italy
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Latest update: 18 Nov 2025
Short summary
Our multi-year observational study regarding organic aerosol (OA) in the Po Valley indicates that more than half of OA is of secondary origin (SOA) through all the year and at both urban and rural sites. Within the SOA, the measurements show the importance of biomass burning (BB) aging products during cold seasons and indicate aqueous-phase processing of BB emissions as a fundamental driver of SOA formation in wintertime, with important consequences for air quality policy at the global level.
Our multi-year observational study regarding organic aerosol (OA) in the Po Valley indicates...
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