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. 2024 Sep 6;7(1):207. doi: 10.1038/s41612-024-00747-6

Fig. 1. Seasonal overview of sources of organic aerosol and their contribution to submicron aerosol mass.

Fig. 1

Time series of aerosol concentrations and average values during the four seasons of the JULIAC campaign for (A) the chemical composition of submicron aerosol, and (B) directly emitted organic aerosol (primary OA), secondary organic aerosol formed from oxidation processes (OOA) and organic aerosol from regional transport obtained from a PMF analysis of the measured mass spectrum of organic aerosol.