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Ezzhiliga, nestled within the Rabat-Sale-Kenitra region of Morocco, occupies a geographically significant position just south of the bustling capital city of Rabat. Located at approximately 33.3000° N, -6.5333° W, the town’s terrain is characterized by gently rolling hills transitioning into the fertile plains of the Saïs region. This area, historically a vital agricultural zone, is now experiencing a gradual urban–rural gradient as Ezzhiliga expands. The proximity to the Atlantic coast, roughly 15 kilometers to the west, introduces a maritime influence on local weather patterns, though the inland location moderates the direct impact of sea breezes. The surrounding landscape is a mosaic of olive groves, cereal fields, and increasingly, residential developments. Elevation is relatively low, averaging around 40 meters above sea level, which can exacerbate air quality issues by limiting vertical dispersion of pollutants. While Ezzhiliga itself is a small town, its location within the greater Rabat-Kenitra metropolitan area means it is indirectly affected by industrial activity and transportation corridors radiating from the larger urban centers. Agricultural practices, including fertilizer use and seasonal burning of crop residues, contribute to localized pollution episodes. The town’s position within a relatively enclosed basin, coupled with the prevailing wind patterns, can lead to the trapping of pollutants, particularly during periods of atmospheric stability. The gradual encroachment of urban sprawl further alters the natural landscape, impacting ventilation and potentially worsening air quality over time.

Ezzhiliga’s air quality experiences a distinct seasonal cycle dictated by Morocco’s Mediterranean climate. The dry summer months (June-August) typically see the poorest air quality. High temperatures and minimal rainfall create stable atmospheric conditions, frequently leading to temperature inversions where a layer of warm air traps cooler air and pollutants near the ground. This stagnation is compounded by the increased use of air conditioning, which can contribute to ozone formation. Dust storms, originating from the Sahara Desert, are also more frequent during this period, significantly degrading air quality and visibility. Autumn (September-November) brings a gradual improvement as temperatures cool and wind patterns become more variable, dispersing pollutants. Winter (December-February) generally offers the best air quality, with increased rainfall washing pollutants from the atmosphere and stronger winds facilitating ventilation. However, periods of fog, particularly in December and January, can temporarily trap pollutants, creating localized episodes of reduced visibility and potentially impacting air quality. Spring (March-May) sees a gradual increase in pollution as agricultural activities resume, including fertilizer application and, occasionally, controlled burns. 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 dust storm events. During the winter months, periods of dense fog should be approached with similar caution. Maintaining indoor air quality through proper ventilation and air filtration is advisable throughout the year, particularly during periods of elevated pollution.