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Al Ḩamzah is situated in Iraq's Al Qādisīyah Governorate, approximately 180 kilometers south of Baghdad, positioned within the vast Mesopotamian Plain that defines much of central and southern Iraq. The city lies at an elevation of about 20 meters above sea level, characterized by flat, arid terrain with minimal topographical variation, which significantly influences its air quality dynamics. Located near the Euphrates River system, though not directly adjacent to major water bodies, the region's hydrology supports agricultural activities in surrounding rural areas, creating an urban-rural gradient where dust from farmland can contribute to particulate matter. As part of Iraq's 'Sunni Triangle' region, Al Ḩamzah is embedded in an area with mixed urban and semi-urban development, lacking major industrial belts but affected by general urban pollution sources like vehicle emissions, residential heating, and occasional agricultural burning. The city's position in a low-lying basin exacerbates air stagnation, particularly during seasonal temperature inversions, trapping pollutants near ground level. Proximity to desert expanses to the west means frequent dust storms, especially in summer, which combine with local emissions to degrade air quality. This geographic setting—flat, arid, and moderately populated—creates a challenging environment where natural and anthropogenic factors converge to impact respiratory health.

In Al Ḩamzah, air quality follows a distinct seasonal pattern shaped by Iraq's arid climate and urban activities. During spring (March to May), rising temperatures and increased wind activity often trigger dust storms from the western deserts, leading to spikes in particulate matter; this period may see moderate pollution levels, making outdoor activities less advisable on windy days, especially for those with respiratory conditions. Summer (June to August) brings intense heat, with temperatures exceeding 40°C, which can enhance ozone formation from vehicle emissions and intensify dust storms, resulting in the year's worst air quality; sensitive groups like children and the elderly should limit exertion outdoors, particularly in peak afternoon hours. Autumn (September to November) offers relief as temperatures cool and dust activity diminishes, though lingering heat and occasional temperature inversions may trap pollutants, creating intermittent poor air days; this season is generally more favorable for outdoor activities, especially in the mornings. Winter (December to February) sees cooler conditions with potential fog and low wind speeds, leading to stagnant air that accumulates pollutants from heating sources, though dust storms are rare; health guidance suggests avoiding prolonged exposure on calm, cold days when inversion layers are likely. Overall, summer poses the highest risk, while autumn provides the best conditions for minimizing pollution exposure.