An Integrated Approach to Air Quality and Waste Management Optimization for Sustainable Islands: A Case Study of Chalki, Southeast Aegean

Le résumé fourni par la source

Air quality assessment and waste management are key priorities within the Sustainable Development Goals. This study proposes an integrated approach to optimizing waste management and assessing air quality on Chalki Island, located in the Southeastern Aegean region. For analysis, measurements of a mobile air quality system located in the port area were employed to investigate the variability in pollutant concentrations and discomfort conditions. In addition, the ERA5 reanalysis dataset was used to study the impact of climate parameters on air quality. This case study covers the period from February to June 2025. In the context of waste management, a multi-criteria-driven analytical framework was developed to determine the optimal number and configuration of source separation bin arrays tailored to different waste streams at the municipal level. The findings show that anthropogenic activities (i.e., traffic and tourist density) and meteorological parameters significantly affect air pollution. The simultaneous degradation in air quality and discomfort conditions during the high tourist (warm) season increases health risk. In parallel, the deployment of five- and eight-bin source separation arrays was identified as optimal for the off-season and peak tourism season, respectively. This research contributes to a deeper understanding of air pollution variability while additionally guiding sustainable waste management for vulnerable island ecosystems.

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