The general objective of the project is to study the emission sources of air pollution in port cities. The project outputs comprise: • Operation of a mobile air quality monitoring station • Training of the staff on the operation of the mobile air monitoring station • Creation of two emission inventory databases • Assessment reports using data from experimental campaigns and the application of photochemical models • A good practice guide with proposed actions for sustainable development of port-cities. • Working-tables between environmental and port authorities to promote improved environmental management • Papers to be submitted in international peer-reviewed journals.