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Douar Souk L‘qolla, nestled within the Tanger-Tétouan-Al Hoceïma region of Morocco, presents a fascinating case study in coastal urban geography. Situated at coordinates 35.0718, -5.5702, the locality is positioned on relatively flat terrain close to the Atlantic coastline, influencing its climate and, crucially, its air quality. The surrounding landscape is a blend of agricultural lands – primarily olive groves and small-scale farming – and increasingly, areas experiencing suburban sprawl from the larger urban centre of Tangier. Elevation is minimal, contributing to potential temperature inversions, a common phenomenon trapping pollutants near ground level. The proximity to the Strait of Gibraltar introduces complex wind patterns; the prevailing winds are westerly, bringing maritime air, but local topography can create eddies and stagnant air pockets. While not directly within a major industrial belt, the growing industrial activity in Tangier, approximately 20km distant, contributes to regional background pollution levels. The urban-rural gradient is relatively sharp, with a noticeable shift in air quality as one moves inland away from the immediate coastal influence and towards agricultural areas. Dust from agricultural practices and unpaved roads also contributes to particulate matter concentrations, particularly during drier periods. The town’s location within a natural funnel created by the Rif Mountains can exacerbate pollution events.

Air quality in Douar Souk L‘qolla exhibits a distinct seasonal pattern. Spring (March-May) sees a gradual improvement as rainfall increases, washing away accumulated dust and pollutants from the drier winter months. However, agricultural burning, common during this period for land preparation, can cause temporary spikes in particulate matter. Summer (June-August) is generally characterized by clearer skies and better ventilation due to the prevailing Atlantic breezes, though high temperatures can promote ozone formation. Autumn (September-November) often brings a deterioration in air quality as the winds shift and temperature inversions become more frequent, trapping pollutants. This is compounded by increased heating demands as temperatures cool. Winter (December-February) is typically the most challenging period. Reduced rainfall means pollutants accumulate, and temperature inversions are common, leading to stagnant air conditions. The proximity to Tangier’s industrial activity means pollutants can be transported by prevailing winds. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit strenuous outdoor activity during autumn and winter. Fog, common in the mornings, can exacerbate respiratory issues. Months to favour for outdoor activity are June, July and August, when winds are strongest and rainfall is minimal.