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Douar Imoukkane, nestled within the Tanger-Tétouan-Al Hoceïma region of Morocco, occupies a geographically complex position at approximately 35.03° N, 4.81° W. The city’s location, at an elevation of around 400 meters above sea level, places it within a transitional zone between the Rif Mountains and the coastal plains of the Mediterranean. This terrain significantly influences local air quality. The surrounding landscape is characterized by rugged, forested slopes of the Rif Mountains to the east and south, providing some natural filtration but also creating potential for localized trapping of pollutants under certain meteorological conditions. To the west, the land gradually descends towards the Atlantic coast, approximately 15 kilometers distant, introducing a maritime influence that can disperse pollutants, though coastal fog events can conversely exacerbate them. Douar Imoukkane’s proximity to the larger urban center of Tangier, roughly 30 kilometers north, means it is susceptible to downwind pollution transport, particularly from industrial activities and vehicular traffic concentrated in the larger city. The region is a mix of small-scale agriculture, primarily olive groves and cereal cultivation, and increasingly, tourism. This urban-rural gradient means that agricultural practices, including burning of crop residues, can contribute to seasonal particulate matter. The prevailing winds generally blow from the northwest, carrying moisture from the Atlantic and influencing the local climate and, consequently, the dispersion of airborne pollutants. The city’s relatively small size and dispersed settlement pattern, typical of many Moroccan villages, means that localized pollution sources, such as residential heating and small workshops, can have a disproportionate impact on air quality within specific neighborhoods.

Douar Imoukkane experiences a Mediterranean climate, dictating a distinct seasonal pattern in air quality. The dry summer months (June-August) are often characterized by stable atmospheric conditions and high temperatures, frequently leading to temperature inversions. These inversions trap pollutants near the ground, particularly particulate matter from agricultural burning and dust lifted by occasional hot winds. While coastal breezes can offer some relief, their effectiveness is limited by the inversion layer. Spring (March-May) and Autumn (September-November) generally see improved air quality due to increased wind speeds and more frequent rainfall, which helps to wash pollutants from the atmosphere. However, agricultural activities intensify during spring, potentially increasing emissions from fertilizer application and field preparation. Winter (December-February) brings cooler temperatures and increased rainfall, which typically leads to lower overall pollution levels. However, periods of prolonged fog, common during winter, can significantly reduce visibility and trap pollutants, creating localized air quality concerns. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the summer months, limiting outdoor activity during peak heat and avoiding areas with visible smoke. During periods of fog, indoor air quality can also be affected, so ensuring adequate ventilation is important. The agricultural cycle, particularly the burning of crop residues after harvest, poses a significant, albeit seasonal, challenge to air quality, requiring careful management and alternative practices to minimize its impact.