Role of Organic Aerosol Chemistry Schemes on Particulate Matter Modelling in Europe.- Biogenic Emissions and Urban Air Quality.- Global Simulations of Ice Nuclei Particles Derived from Organics and Inorganics Particles.- Estimating Aerosol Loads and Aerosol-cloud-interaction in the 1980s and Today.- Characterisation of Light-absorbing Particles in the Brussels Sub-urban Atmosphere and Implications for the Emission Scheme of a Regional Chemical Transport Model.- Traffic Emissions 2040 - Impact on Air Quality in Germany.- Biogenic VOC Emission Modelling for Spain: Adaptation of the National Forest Inventory as Input for MEGANv3.- Alteration of Vehicle Propellant Use and the Impact on CO2 Emissions and NO2 Concentrations in Gothenburg and Mölndal.- Improvements of Chemical Transport Modelling Over the Last 40 Years - a Personal Journey.- Timely Update of Emission Inventories with the Use of Satellite Data.- Modelling Atmospheric Composition in the Summertime Arctic: Transport of North American Biomass Burning Pollutants and their Impact on the Arctic Marine Boundary Layer Clouds.- Effect of Aerosol Nitrate Photolysis on Wintertime Air Quality.- Improved Estimation of Background Ozone and Emission Impacts Using Chemical Transport Modelling and Data Fusion.- Same Model (CAMx6.50), Same Year (2010), Two Different European Projects: How Similar are the Results?.- SMART Modelling Suite: Assessment of the Turbulence Parameterisation for the Simulation of Atmospheric Circulation and Dispersion.- Analysis of the Zero-out Method of Source Apportionment for Air Quality Modelling in Spain.- Spatio-temporal Modelling of Grass and Birch Pollen in Belgium.- Multi-compartment Chemistry Transport Models.- Climate Change Projections for Bulgaria According to RCP45 Scenario Until 2099.- Interpreting Measurements from Air Quality Sensor Networks: Data Assimilation and Physical Modelling.- Need and Potential Benefits of Improving Aloft Air Pollution Characterization: A Modeling Perspective.- Optimal Interpolation Based Data Fusion Techniques to Improve Deterministic Air Quality Forecast.- Eigenmode-based Parameter Perturbation for Stochastic Chemistry Transport Modeling.- Evolution of the Performance of the Canadian Operational Regional Air Quality Deterministic Prediction System from 2010 to 2019.- Statistical Methods to Forecast Air Quality in Taipa Ambient and Taipa Residential of Macao.- Impacts of Fine Particulate Matter and Climate Change on Human Health Over Europe - Present and Future Scenarios.