Ultrafine Particulate Matter in the Atmosphere and Indoor Environment

Dear Colleagues,

Ultrafine particles (UFPs) are aerosols with an aerodynamic diameter of 0.1 µm (100 nm) and below. Despite their modest mass and size, they dominate in terms of the number of particles in ambient air. In recent decades there has been a growing interest in UFPs. Identifying and quantifying the source and clarifying the impacts of ultrafine particles (UFPs) in the environment are important for particle pollution control, the estimation of adverse health effects, and our understanding of UFP–climate interactions.

As a Guest Editor of a Special Issue of Atmosphere titled “Ultrafine Particulate Matter in the Atmosphere and Indoor Environment”, I would highly appreciate your contribution to this important subject matter.

Within the scope of this Special Issue, contributions on all aspects of UFPs are welcome. This includes, e.g.:

• Basics of UFP formation/generation and their fate in the atmopshere due to coagulation, change in chemical composition, etc.;
• Impacts of UFPs on human health as evident from toxicological and epidemiological studies;
• Role of UFP with respect to global climate change and local/regional weather conditions;
• Identifying natural and anthropogenic sources of ambient UFP considering primary emissions and secondary aerosol formation;
• Indoor UFP sources, distribution within rooms and mitigation possibilities;
• Methods for determining important UFP metrics, i.e., particle number, size distribution, surface area and chemical composition.

The aim of this Special Issue is to cover diverse aspects regarding UFPs in order to generate enhanced consideration of the importance of this field of reasearch for the genral scientific community.

I am looking forward to receiving your confirmation of contribution to this Special Issue or letters of interest. If you have any queries do not hesitate to contact the Editors of Atmosphere or myself directly.

Prof. Dr. Wolfgang Frenzel
Guest Editor

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