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Ţanţā, situated in Egypt's fertile Nile Delta region within Al Gharbīyah Governorate, occupies a strategic position approximately 90 kilometers north of Cairo and 130 kilometers southeast of Alexandria. The city lies at a modest elevation of around 15 meters above sea level, nestled within the flat, alluvial plains characteristic of the Delta, which significantly influences its air quality dynamics. Ţanţā's urban character blends historical significance as a major cultural and educational hub with modern urban sprawl, creating a distinct urban-rural gradient where dense central areas transition to surrounding agricultural lands. This proximity to intensive farming zones, particularly cotton, rice, and cereal cultivation, introduces agricultural emissions including dust from tilling and potential burning residues. The city's location in the heart of the Delta places it within Egypt's most densely populated and industrially active region, with nearby cities like Al-Mahalla al-Kubra contributing to regional pollution through textile manufacturing and other industries. While not directly coastal, Ţanţā lies within the Nile's hydrological system, with irrigation canals permeating the area, though these water bodies are insufficient to significantly mitigate particulate accumulation. The flat terrain inhibits natural ventilation, allowing pollutants to stagnate, especially when combined with urban emissions from transportation, residential heating, and small-scale industries prevalent in the city.

Ţanţā's air quality follows a distinct seasonal pattern shaped by the Mediterranean climate of the Nile Delta, with pollution peaks typically occurring during the cooler months from November to February. During winter, temperature inversions become frequent due to calm winds and clear skies, trapping pollutants near the surface—this is exacerbated by increased residential burning of agricultural waste and solid fuels for heating, creating hazardous conditions for sensitive groups like children, the elderly, and those with respiratory conditions. Spring, from March to May, sees gradual improvement as temperatures rise and northerly winds from the Mediterranean disperse pollutants, though sporadic dust storms from the Western Desert can temporarily elevate particulate levels. Summer, from June to August, offers the cleanest air despite high temperatures, as consistent northwesterly winds and low humidity enhance atmospheric mixing, making it the optimal season for outdoor activities; however, ozone formation may increase on hot, sunny days. Autumn, from September to October, marks a transition where declining winds and rising agricultural burning after harvests begin to degrade air quality again. Sensitive individuals should monitor local air quality reports, limit outdoor exertion during winter mornings when inversions are strongest, and consider using air purifiers indoors during peak pollution periods.