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Gaza is a densely populated coastal city situated on the eastern Mediterranean shoreline in the Gaza Strip, a narrow territory approximately 41 kilometers long and 6-12 kilometers wide. The city's geography is characterized by flat to gently rolling terrain with an average elevation of just 30 meters above sea level, creating minimal natural ventilation corridors. Gaza's urban character reflects intense population concentration within limited space, with urban areas blending into agricultural zones where citrus groves, olive trees, and vegetable fields dominate the landscape. The city's position along the Mediterranean coast places it within a transitional zone between marine and continental influences, while its proximity to the Sinai Desert to the south introduces occasional dust intrusions. The urban-rural gradient is abrupt due to the territory's confined geography, with agricultural lands immediately surrounding built-up areas. Gaza's coastal location typically provides some air quality benefits through sea breezes that disperse pollutants, but the city's topography—lacking significant elevation changes—limits this effect. The absence of major industrial belts contrasts with numerous small-scale pollution sources concentrated within the urban fabric. The surrounding landscape includes sandy soils that contribute to road dust, while the Mediterranean Sea to the west provides humidity that can interact with airborne particles. Gaza's specific geography as a coastal enclave with limited land area intensifies pollution exposure by concentrating emissions within a confined atmospheric basin with restricted dispersion pathways.

Gaza's Mediterranean climate creates distinct seasonal air quality patterns influenced by temperature, precipitation, and wind regimes. During winter (November-February), pollution peaks occur due to multiple converging factors: increased generator use during electricity shortages, more frequent temperature inversions that trap pollutants near the ground, reduced wind speeds, and higher humidity that enhances particle formation. These months see the worst air quality, with sensitive groups advised to limit outdoor exposure during calm, humid mornings. Spring (March-May) brings gradual improvement as rising temperatures increase atmospheric mixing, though occasional dust storms from the Sinai Desert can cause sudden particulate spikes. Summer (June-August) features the cleanest air despite heatwaves, as consistent sea breezes from the northwest disperse pollutants and lower humidity reduces secondary particle formation—making this the optimal season for outdoor activities. Autumn (September-October) marks a transitional period where declining temperatures and reduced winds begin to allow pollution accumulation, particularly from increased construction activity and vehicle emissions. Throughout the year, Gaza experiences limited rainfall concentrated in winter months, which provides temporary cleansing but also contributes to muddy conditions that generate construction dust when dried. Sensitive populations including children, elderly residents, and those with respiratory conditions should monitor local conditions during winter inversions and desert dust events, adjusting outdoor schedules to midday when dispersion is typically better.