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Karaköprü, situated within the Şanlıurfa Province of southeastern Turkey, occupies a strategic position in the Upper Mesopotamia region, characterized by its semi-arid plateau landscape. The city lies at an elevation of approximately 500 meters above sea level, nestled on relatively flat terrain that gradually slopes towards the Harran Plain to the south. This geographic setting profoundly influences air quality, as the surrounding arid plains and lack of significant water bodies—with the nearest major river, the Euphrates, located about 30 kilometers to the east—limit natural air purification through humidity and precipitation. Karaköprü's urban character has evolved rapidly due to its role as a district center within the greater Şanlıurfa metropolitan area, fostering a blend of residential expansion and commercial development. The region is predominantly agricultural, with extensive cotton, wheat, and pistachio cultivation in the Harran Plain, contributing to seasonal particulate matter from soil dust and agricultural burning. Additionally, the city's proximity to Şanlıurfa's industrial zones, including textile and food processing facilities, introduces urban pollution sources such as vehicle emissions and industrial discharges. The urban–rural gradient is marked by a transition from dense settlements to open farmland, yet this does not mitigate air quality issues significantly, as temperature inversions common in the basin-like topography trap pollutants close to the ground, exacerbating smog formation, especially during calm weather periods.

In Karaköprü, air quality fluctuates distinctly across seasons, driven by meteorological patterns inherent to its semi-arid climate. During winter, from December to February, cold temperatures and frequent temperature inversions create stagnant air conditions, trapping pollutants from heating sources and urban traffic, leading to elevated particulate matter levels; sensitive groups like children and the elderly should limit outdoor exertion on calm, foggy days. Spring, spanning March to May, sees improved air quality as increased wind activity, often from the northwest, disperses pollutants, though occasional dust storms from the surrounding arid plains can spike particulate concentrations, making late spring ideal for outdoor activities. Summer, from June to August, brings intense heat and low humidity, which can exacerbate ozone formation from vehicle emissions under strong sunlight, while reduced wind speeds during peak afternoon hours may concentrate pollutants; early mornings are preferable for exercise to avoid high ozone exposure. Autumn, covering September to November, typically offers the best air quality, with moderate temperatures and more consistent breezes clearing the air, though agricultural burning after harvests in October can temporarily degrade conditions. Throughout the year, the lack of monsoon or significant precipitation means natural cleansing is minimal, so residents should monitor local air quality reports and plan activities accordingly, with winter and late summer being periods of heightened risk for respiratory issues.