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Misrata, Libya's third-largest city, occupies a strategic coastal position on the Gulf of Sidra in the Tripolitania region, approximately 210 kilometers east of the capital Tripoli. Situated on a narrow coastal plain backed by the vast Sahara Desert to the south, the city's geography creates a distinctive air quality profile shaped by its urban-industrial character and natural surroundings. Misrata's elevation remains near sea level, rarely exceeding 30 meters, which contributes to atmospheric stagnation during certain seasons. The city has developed as Libya's primary industrial and commercial hub, with the Misurata Steel complex—one of Africa's largest steel plants—anchoring an industrial belt along the coastal corridor. This industrial concentration, combined with the city's role as Libya's largest commercial port, creates persistent anthropogenic emissions that interact with natural desert aerosols. The urban-rural gradient shows dense urban development along the coast transitioning abruptly to arid scrubland and desert, with limited agricultural zones confined to coastal oases. Proximity to the Mediterranean moderates temperatures slightly but provides little relief from pollution accumulation, as sea breezes often recirculate emissions rather than dispersing them inland. The surrounding landscape of flat desert plains to the south facilitates the transport of Saharan dust, which frequently mixes with industrial and vehicular pollution in the urban atmosphere.

Misrata's air quality follows a distinct seasonal pattern driven by its hot desert climate and regional meteorology. Spring (March-May) brings the year's worst pollution as increased temperatures, frequent sandstorms from the Sahara, and stable atmospheric conditions combine to trap industrial and vehicular emissions. March through June represents peak pollution months when residents should limit prolonged outdoor exposure, especially during afternoon hours when ozone formation peaks. Summer (June-August) maintains high pollution levels despite stronger sea breezes, as extreme heat accelerates photochemical reactions and power demand spikes industrial activity. Sensitive groups including children, elderly, and those with respiratory conditions should avoid outdoor exertion during summer heatwaves when particulate matter and ozone concentrations peak. Autumn (September-November) offers gradual improvement as temperatures moderate and occasional rainfall settles dust, though early autumn can still experience residual summer pollution patterns. Winter (December-February) provides the cleanest air overall, with cooler temperatures reducing photochemical activity and more frequent northerly winds dispersing pollutants, though temperature inversions can occasionally trap emissions near the surface. Throughout the year, desert dust storms remain unpredictable hazards that can suddenly degrade air quality regardless of season, requiring real-time monitoring for vulnerable populations.