Program Mon, June 1, 2026

All indicated times are in CEST (GMT +2). Convert CEST into any time zone.

Welcome, Introduction and Conference Opening
Loretta Müller, University Hospital Bern and Co-Chair of NPC 2026

Opening Talk
Athanasios Nenes, EPFL Lausanne

09.45

Session 1: Aircraft emissions Part I
Chair: Claudia Mohr, PSI Villigen

Nobuyuki Takegawa, Tokyo Metropolitan University
«Export of aircraft exhaust ultrafine particles from Tokyo International (Haneda) Airport»

Teemi Lepistö, Tampere University
«Dispersion of ultrafine particles originated from a medium-large international airport»

Armin Hansel, University of Innsbruck
«Ultrafine particle exposure from individual aircrafts approaching Innsbruck airport»

10.30

11.00

Session 2: Aircraft emissions Part II
Chair: Claudia Mohr, PSI Villigen

Akihiro Fushimi, National Institute for Environmental Studies
«Physical and chemical properties of non-volatile and volatile nanoparticles emitted from turbofan jet engines»

Tobias Schripp, ZHAW
«Impact of Seasonal Variations on Jet Engine Emissions from a Business Jet Running on Fossil and Sustainable Aviation Fuels »

Steffen Schmitt, Aerodyne Research, Inc.
«SOURCE FFR: Recent activities within the UFP exposure study in the Frankfurt Rhine-Main region»

Suneeti Mishra, PSI Center for Energy and Environmental Sciences
«Characterizing Aviation Contributions to Particulate Matter near Zurich Airport using Chemical Composition and Source Apportionment»

David Kittelson, University of Minnesota, retired
«A “2^nd” (> 150 nm) Size Mode in Aircraft Gas Turbine Engine Exhaust, New Analysis»

Paula Kurzawska-Pietrowicz, Poznan University of Technology
«Experimental study on the impact of HVO addition to Jet A-1 on non-volatile particulate matter emissions»

13.30

Poster Session A

15.00

Coffee Break

15.30

Session 4: Emissions: aftertreatment / real world operation / alternative fuels
Chair: Martin Gysel-Beer, PSI/ETH Zurich

Henri Oikarinen, University of Eastern Finland
«Emissions from fuel operated auxiliary heaters of passenger cars»

Olli Sippula, University of Eastern Finland
«Nanoparticle and secondary aerosol emissions of EURO6d passenger cars fueled with gasoline, diesel and natural gas: The role of exhaust after-treatment byproducts»

Stefanos Melekidis, Hug Engineering
«Influence of Lubricant Ash Content on DPF-Performance in Medium-Speed Diesel Engines»

Negaar Razzaghi, Simon Fraser University
«Effects of Extreme Cold Climate on Particulate Emissions of Light-Duty Gasoline Vehicles »

Henna Lintusaari, Tampere University
«Real-world particle number emission factors of heavy-duty vehicles: Contribution of sub-10 nm particles»

Will Northrop, University of Minnesota: Twin Cities
«Ammonium Nitrate Nanoparticles from Ammonia Combustion in Engines and Burners»

17.00

Aperitif sponsored by exhibitors and End of Day 1