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Maglie, nestled in the heart of Salento, Puglia, Italy, occupies a geographically significant position within the Adriatic coastal plain. Located at coordinates 40.1167° N, 18.3000° E, the town sits approximately 12 kilometers inland from the Adriatic Sea, at an elevation of roughly 120 meters above sea level. The surrounding landscape is characterised by gently rolling hills, typical of the Salento peninsula, interspersed with olive groves, vineyards, and agricultural fields. This agricultural dominance, while picturesque, contributes to potential particulate matter pollution from farming activities, particularly during harvest seasons. Maglie isn’t situated within a major industrial belt; however, regional industrial activity further north along the Adriatic coast can influence air quality through long-range transport. The urban-rural gradient is relatively sharp, with Maglie serving as a local service centre for the surrounding rural communities. The proximity to the sea introduces a moderating influence on temperatures, but also means the town is susceptible to sea breezes that can either disperse or concentrate pollutants depending on atmospheric conditions. The terrain, while not mountainous, can create localised microclimates affecting pollutant dispersion. Understanding this interplay of coastal influence, agricultural practices, and regional industrial emissions is crucial for assessing Maglie’s air quality.

Maglie’s air quality follows a distinct seasonal pattern, largely dictated by meteorological conditions and agricultural practices. Summer months (June-August) often experience relatively good air quality, driven by consistent sea breezes that promote pollutant dispersion and reduced heating-related emissions. However, high temperatures can contribute to ground-level ozone formation, particularly on calm days. Autumn (September-November) sees a deterioration in air quality as agricultural burning of crop residues becomes prevalent, releasing significant particulate matter. This period is often accompanied by temperature inversions, trapping pollutants near the ground. Winter (December-February) is generally the period of poorest air quality, due to increased reliance on wood and fossil fuel burning for heating, coupled with weaker winds and frequent temperature inversions. Fog, common during winter mornings, exacerbates particulate matter concentrations. Spring (March-May) represents a transition period, with improving conditions as temperatures rise and agricultural activity decreases. Sensitive individuals – children, the elderly, and those with respiratory conditions – should limit strenuous outdoor activity during autumn and winter months. Monitoring pollen levels is also important in spring. Avoiding peak burning times in autumn and ensuring proper ventilation during winter heating are key preventative measures.