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Conference 2019

Air Quality and Climate Brussels, Belgium May 15 and 16, 2019 

Ultrafne particles (UFP), the nano fraction of airborne particulate matter, are considered to be causing serious health problems and environmental effects. Combustion is a major source, also by producing volatile organic pollutants which are converted in the atmosphere through photochemical reactions. 

Increasing applications of man-made nanomaterials add to the problem, e.g. after incineration at the end of their lifetime. A further interest in UFP’s results from their specifc role in atmospheric processes such as cloud formation and precipitation and, in fact, in climate. The relation between UFP and human health and that of UFP and climate are both areas of active research and cross-links between these felds are found nowadays. The subtitle of the conference series: “air quality and climate” reflects this development.




Present policies to decrease exposure to particulate matter make use of the mass-based metrics PM10/PM2.5, which do not properly represent all risks for human health. EFCA is, therefore, in favour of the development of a fraction-by-fraction approach on particulate matter, both with respect to size and chemical composition. It already recommended European policymakers the introduction of Black Carbon Particles as additional metric in the Air Quality Directive. The organizers trust that EFCA’s 7th Ultrafne Particles Symposium 2019 will again feature the most recent scientifc progress in the feld and so contribute to policy-relevant developments which improve the dialogue with policymakers in Europe. The Symposium has gained visibility by permanently moving to Brussels and attracts an effective mix of EU representatives and scientists. EFCA and KIT, together with GUS and CEEES are pleased to organize this event again. We cordially invite all experts to contribute actively and hope to see you again at the State representation of BadenWürttemberg in Brussels in May 2019


 Thomas Leisner | Chairman

Call for Papers

Conference topics in ultrafne particles research and abatement strategies include:


Sources: Emissions, inventories, nucleation, and growth of ambient ultrafne particles

Characterization: Particle size, volume, shape, particle size distribution, chemical composition,oxidative capacity

Air quality: Measurement and methods; modelling atmospheric transformation of particles; monitoring approaches and data; equipment

Climate effects: Role of ultrafne particles in cloud formation and stimulating climate effects;regional aspects

Epidemiology: Epidemiological and human clinical studies with size differentiation of small particles

Health effects and mechanisms: In vivo and in vitro toxicity, transport in the body; relevant research techniques

Abatement strategies and policies: Policy studies on UFP; cost-effective mitigation of PM; Decision fnding: Public hearings, citizen tables