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Al Muzayrīb, nestled within the Dar‘ā Governorate of Syria, occupies a strategic position in the country’s southern reaches, approximately 12km north of the Jordanian border. The city’s coordinates (32.7108° N, 36.0275° E) place it within the Hauran plateau, a fertile volcanic plain characterised by rolling hills and basaltic outcrops. Elevation averages around 600-700 meters above sea level, influencing temperature patterns and contributing to localised atmospheric conditions. The surrounding landscape is predominantly agricultural, with extensive olive groves, wheat fields, and orchards dominating the rural areas immediately adjacent to the urban core. While no major bodies of water directly border Al Muzayrīb, the Yarmouk River lies within relatively close proximity, impacting regional humidity. The ongoing Syrian Civil War has significantly disrupted industrial activity, but pre-conflict, limited industrial zones existed in Dar‘ā province, potentially contributing to past pollution events. The urban-rural gradient is relatively sharp, with a noticeable transition from denser residential areas in the city centre to open farmland. This proximity to agricultural land introduces potential sources of particulate matter from dust and agricultural practices, while the plateau’s topography can trap pollutants during periods of calm weather, exacerbating air quality concerns. The city’s location within a historically contested region also impacts long-term environmental monitoring and remediation efforts.

Al Muzayrīb experiences a Mediterranean climate with hot, dry summers and cool, wet winters. Air quality generally deteriorates during the summer months (June-August) due to increased temperatures promoting the formation of ground-level ozone, particularly when combined with stagnant air masses. Dust storms originating from the Syrian Desert and neighbouring regions are also common during this period, significantly elevating particulate matter levels. Autumn (September-November) brings a temporary improvement as cooler temperatures and increased rainfall help to cleanse the atmosphere. However, agricultural burning of crop residue following the harvest can lead to localised spikes in pollution. Winter (December-February) sees increased humidity and potential for temperature inversions, trapping pollutants near the ground, though overall pollutant concentrations are typically lower due to reduced photochemical activity. Spring (March-May) is often characterised by fluctuating conditions, with periods of clear, fresh air interspersed with dust events and agricultural activity. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit strenuous outdoor activity during summer afternoons and periods of high dust. Monitoring wind patterns is crucial; winds from the west and southwest are more likely to carry pollutants from regional sources. Avoiding outdoor exertion during calm, foggy mornings in winter is also advisable.