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Bukhara, an ancient Silk Road city in Uzbekistan's Bukhara Region, sits within the vast Kyzylkum Desert basin at an elevation of approximately 225 meters above sea level. This UNESCO World Heritage site's urban character blends historic Islamic architecture—dominated by mud-brick structures, mosques, and madrasahs—with Soviet-era residential blocks and modern developments, creating a compact urban core surrounded by expanding suburbs. Geographically, Bukhara lies in Central Asia's arid heartland, far from major water bodies; the nearest significant river, the Amu Darya, flows over 200 kilometers to the southwest, contributing to the region's dry climate. The city is encircled by flat, sandy plains and desert landscapes, with the Kyzylkum Desert to the north and east, which frequently sources dust storms that degrade air quality. Bukhara's location in an agricultural zone, particularly for cotton farming—a legacy of Soviet-era irrigation projects—adds seasonal emissions from processing and dust. The urban–rural gradient sees pollution concentrated in the city center due to vehicle exhaust and construction, while surrounding areas face agricultural and desert dust. This geography, combined with low elevation and minimal natural barriers, allows pollutants to accumulate, especially during temperature inversions in winter, making Bukhara's air quality highly susceptible to both local emissions and regional desert influences.

Bukhara's air quality follows a distinct seasonal pattern shaped by its cold semi-arid climate. In winter, from November to February, pollution peaks due to a combination of factors: residential heating with solid fuels like coal and wood releases particulate matter, while temperature inversions trap pollutants near the ground, exacerbated by low wind speeds. This period sees frequent dust storms from the Kyzylkum Desert, adding to PM2.5 and PM10 levels, making outdoor activities hazardous, especially for sensitive groups such as children, the elderly, and those with respiratory conditions. Spring, from March to May, brings some relief with increased wind activity that disperses pollutants, though dust storms remain common, and construction dust picks up as temperatures rise. Summer, from June to August, experiences extreme heat, which can elevate ozone levels from vehicle exhaust, but stronger winds and reduced heating emissions improve overall air quality, making it a more favorable time for outdoor activities, albeit with heat precautions. Autumn, from September to October, sees a gradual return to poorer conditions as temperatures drop and heating resumes, with dust storms persisting. Sensitive groups should avoid prolonged exposure in winter and during dust events, using masks and indoor air purifiers, while planning outdoor visits in late spring or early summer when pollution is lower.