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Very high levels of air pollution have been observed in many cities across the world, in both developing and developed economies, with varying degrees of regularity. Predicting urban air quality demands detailed knowledge of both the physical properties of the urban atmosphere and pollutants within it, and the chemical reactions of those pollutants, which have a major impact on measured levels.
For emitted pollutants, concentrations are likely to be reduced proportionately with reductions in emissions, but in the case of secondary pollutants formed within the atmosphere, the relationship between precursor emissions and reaction products is often strongly non-linear.
This discussion aims to improve understanding of the underlying processes responsible, which is essential for the development of high quality numerical models of urban air pollutants, which are required for the testing of mitigation strategies prior to implementation. The following topics are covered within this volume:
Current status and trends in air quality in megacities
Physico-chemical processes in the urban atmosphere (neighbourhood scale)
Physico-chemical processes in the urban atmosphere (city scale)
Effects, mitigation and policy
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Faraday Discussions documents a long-established series of Faraday Discussion meetings which provide a unique international forum for the exchange of views and newly acquired results in developing areas of physical chemistry, biophysical chemistry and chemical physics. The papers presented are published in the Faraday Discussion volume together with a record of the discussion contributions made at the meeting. Faraday Discussions therefore provide an important record of current international knowledge and views in the field concerned. The latest (2019) impact factor of Faraday Discussions is 3.797.
Riassunto
This discussion aims to improve understanding of the underlying processes responsible, which is essential for the development of high quality numerical models of urban air pollutants, which are required for the testing of mitigation strategies prior to implementation.
