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Ţāqah, nestled within the Z̧ufār region of Oman, occupies a dramatic and geographically complex position on the Arabian Peninsula’s southern coast. The city’s urban fabric is intimately interwoven with the rugged Hajar Mountains, rising sharply from the coastal plain. Its coordinates (17.0483, 54.3906) place it within a region characterized by steep slopes, deep wadis (seasonal riverbeds), and a generally arid climate. The surrounding landscape is dominated by limestone mountains, interspersed with pockets of lush greenery fed by subterranean water sources and the occasional seasonal rainfall. Ţāqah’s proximity to the Arabian Sea significantly influences local weather patterns and, consequently, air quality. The city sits at an elevation of approximately 1,100 meters (3,609 feet), contributing to cooler temperatures compared to coastal areas further north. While there are no major industrial belts directly adjacent to Ţāqah, the broader Z̧ufār region supports some agricultural activity, primarily date palm cultivation and frankincense harvesting, which can contribute localized particulate matter. The urban–rural gradient transitions rapidly, with traditional villages and agricultural lands giving way to the stark beauty of the mountain terrain within a short distance. The prevailing winds, often channeled through the mountain passes, play a crucial role in dispersing or concentrating pollutants, creating microclimates within the city itself. The unique topography creates a natural barrier, potentially trapping pollutants under certain meteorological conditions, impacting local air quality.

Ţāqah’s air quality experiences a distinct seasonal cycle dictated by the interplay of monsoon patterns and temperature variations. The Khareef monsoon, typically spanning from June to September, brings significant cloud cover, rainfall, and cooler temperatures. This period generally results in improved air quality due to frequent precipitation washing away particulate matter and increased wind speeds dispersing pollutants. However, periods of dense fog, common during the monsoon, can temporarily trap moisture and reduce visibility, potentially impacting air quality. The dry season, from October to May, sees a decrease in rainfall and an increase in temperatures. During these months, particularly in the spring (March-May), stagnant air conditions and temperature inversions can occur, trapping pollutants closer to the ground. These inversions, where a layer of warm air sits above cooler air, prevent vertical mixing and can lead to a build-up of dust and other airborne particles. The winds, while generally consistent, can shift direction, bringing in dust from the surrounding desert regions. Outdoor activities are generally more favorable during the monsoon months, particularly June-August, when rainfall is frequent. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, especially during periods of stagnant air or dust storms. Maintaining indoor air quality through proper ventilation and air filtration is advisable during these times. The cooler temperatures and increased humidity of the monsoon offer a respite, but vigilance regarding fog-related visibility issues remains important.