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Sebt Aït Saghiouchen, nestled within the Fès-Meknès region of Morocco, occupies a geographically complex position. Located at coordinates 34.0122, -4.5536, the city sits amidst the rolling foothills of the Middle Atlas Mountains, approximately 20km southwest of the historic city of Fès. The terrain is characterised by undulating plains and gentle slopes, transitioning rapidly to more rugged mountainous landscapes further south. This elevation, around 500-700m above sea level, influences local weather patterns and air circulation. The surrounding landscape is predominantly agricultural, with olive groves, cereal farms, and fruit orchards dominating the rural areas. While not directly adjacent to a major body of water, the proximity to the Sebou River valley provides some moisture and influences regional microclimates. The urban-rural gradient is quite sharp; Sebt Aït Saghiouchen is a relatively small urban centre surrounded by dispersed rural communities. The increasing traffic from Fès, coupled with local agricultural practices – including seasonal burning of agricultural waste – and small-scale industrial activity within the region, contribute to localised air quality challenges. The city’s position within a valley can also exacerbate pollution events by trapping emissions during periods of calm weather. The prevailing winds, generally from the west, can transport pollutants from the Atlantic coast, though the mountains offer some buffering effect.

Air quality in Sebt Aït Saghiouchen exhibits a distinct seasonal pattern. Spring (March-May) often sees a moderate increase in particulate matter due to agricultural burning as farmers prepare fields for planting. Winds can be variable, sometimes dispersing pollutants, other times creating stagnant conditions. Summer (June-August) typically offers the best air quality, with higher temperatures promoting atmospheric mixing and drier conditions reducing dust resuspension. However, heatwaves can exacerbate ozone formation. Autumn (September-November) is a period of transition, with increasing agricultural activity and the potential for temperature inversions, trapping pollutants near the ground. November often sees a rise in particulate matter as cooler temperatures encourage wood burning for heating. Winter (December-February) is generally the most challenging period for air quality. Cooler temperatures and frequent temperature inversions, common in valleys, lead to the accumulation of pollutants from domestic heating – primarily wood and charcoal – and vehicle emissions. Sensitive groups, including children, the elderly, and those with respiratory conditions, should limit outdoor exertion during these colder months. Periods of calm, foggy weather can further worsen conditions. Avoiding outdoor activity during peak heating hours in the evening is advisable.