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Timezgana, nestled within the Fès-Meknès region of Morocco, occupies a geographically significant position at approximately 34.58°N, 4.73°W. The city’s terrain is characterized by a gently sloping landscape, transitioning from the foothills of the Middle Atlas mountains to the fertile plains of the Saïs region. Its elevation, around 650 meters above sea level, contributes to a unique microclimate and influences local air circulation patterns. Timezgana sits within a predominantly agricultural zone, surrounded by fields cultivated with cereals, olives, and fruit trees, a landscape that gradually gives way to more rugged, mountainous terrain further north and east. The proximity to the Moulouya River, though not directly adjacent, provides a regional water source and influences humidity levels, impacting atmospheric stability. While not a major industrial hub itself, Timezgana benefits from its location within the broader Fès-Meknès economic sphere, experiencing some indirect impacts from industrial activity concentrated in Fès and Meknès, particularly related to transportation and associated emissions. The urban–rural gradient is relatively sharp; Timezgana represents a small town transitioning from agricultural land use, with limited sprawling urban development. This compact urban footprint, combined with the surrounding agricultural landscape, creates a specific atmospheric mixing profile, potentially trapping pollutants under certain meteorological conditions. The surrounding landscape, a mix of cultivated fields and rolling hills, plays a crucial role in the city’s air quality, influencing wind patterns and the dispersion of pollutants from both local and regional sources.

Timezgana’s air quality experiences a distinct seasonal cycle dictated by Morocco’s Mediterranean climate. The dry season, spanning roughly from April to October, is generally characterized by higher temperatures and reduced precipitation. This period often sees a build-up of pollutants due to decreased rainfall to wash them away and increased solar radiation promoting photochemical smog formation. Summer months (July and August) are particularly challenging, with stagnant air masses and frequent temperature inversions trapping pollutants close to the ground. These inversions, where a layer of warm air sits above cooler air, prevent vertical mixing and exacerbate air quality issues. Conversely, the wet season, from November to March, brings cooler temperatures and more frequent rainfall, which naturally cleanses the atmosphere. Stronger northerly winds during the winter months also aid in dispersing pollutants. Fog, common during the colder months, can temporarily worsen air quality by trapping particulate matter. Spring (March-May) and Autumn (September-November) offer the most favourable conditions, with moderate temperatures and increased wind speeds. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the summer months, limiting outdoor activity during peak sunlight hours and avoiding areas with visible smoke or dust. Maintaining indoor air quality through ventilation and air purification can also be beneficial. The agricultural practices surrounding Timezgana, particularly the burning of crop residue after harvest, can contribute to localized pollution spikes, especially during the transition periods between seasons.