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Ḩukūmatī Baghrān, situated in the Helmand province of Afghanistan, occupies a geographically complex and challenging position within the southwestern region of the country. Located at approximately 33.0669° latitude and 65.0917° longitude, the city lies within a semi-arid climate zone, characterized by a landscape dominated by the Registan Desert and the foothills of the Tethys Himalayas. The surrounding terrain is predominantly flat, gradually rising towards the mountains to the north and east, influencing local wind patterns and potential for dust intrusion. The Helmand River, a vital water source for the region, flows nearby, though its influence on the immediate urban environment is limited due to distance and irrigation practices. The urban fabric of Ḩukūmatī Baghrān is relatively compact, reflecting its historical role as an administrative and agricultural hub. The city’s growth is intertwined with the surrounding agricultural lands, primarily cultivating wheat, barley, and fruits, which contribute to seasonal dust and potential agricultural burning. The urban–rural gradient is relatively sharp, with agricultural fields and scattered settlements transitioning quickly into the city limits. The lack of significant industrial belts within or immediately adjacent to Ḩukūmatī Baghrān mitigates some industrial pollution risks, however, reliance on traditional fuel sources for heating and cooking, coupled with vehicle emissions, are key contributors to local air quality challenges. The desert environment contributes to frequent dust storms, particularly during wind events, impacting visibility and air quality. Elevation is relatively low, around 400 meters above sea level, which can exacerbate temperature inversions and trap pollutants.

The air quality in Ḩukūmatī Baghrān follows a distinct seasonal pattern dictated by the region’s arid climate and meteorological conditions. Spring (March-May) often brings a noticeable increase in particulate matter due to dust storms originating from the Registan Desert, intensified by shifting winds and warmer temperatures. Agricultural activities, including plowing and fertilizer application, also contribute to this period’s air quality concerns. Summer (June-August) typically sees a slight improvement as increased convective activity and occasional rainfall help disperse pollutants, though high temperatures can still lead to stagnant air conditions. Autumn (September-November) is arguably the most challenging period, with cooler temperatures and decreasing wind speeds frequently leading to temperature inversions, trapping pollutants close to the ground. Agricultural burning, a common practice for clearing fields, significantly worsens air quality during this time. Winter (December-February) is characterized by cold temperatures and often, periods of fog, which further restricts atmospheric mixing and concentrates pollutants. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the autumn and spring months, limiting outdoor exposure and utilizing appropriate respiratory protection when necessary. During periods of intense dust storms, all residents are advised to stay indoors with windows and doors closed. The reliance on solid fuels for heating during the colder months further compounds air quality issues, emphasizing the need for improved ventilation and cleaner energy alternatives.