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Do‘stobod, nestled within the Toshkent Province of Uzbekistan at coordinates 40.8564, 68.9281, is a small city exhibiting characteristics of a rapidly developing peri-urban environment. Situated in the Fergana Valley, a densely populated and agriculturally rich region, Do‘stobod’s geography is dominated by flat, alluvial plains formed by the Chirchiq River and its tributaries. The terrain is relatively low-lying, with an elevation around 450-500 meters above sea level. This valley location, while fertile, contributes to air quality challenges due to potential temperature inversions, trapping pollutants during calm weather conditions. The city is surrounded by extensive cotton fields and orchards, common features of the region’s agricultural economy. Toshkent, the capital city, lies to the west, creating a strong urban-rural gradient and influencing Do‘stobod’s growth and industrial activity. While not directly adjacent to large industrial belts, the proximity to Toshkent’s manufacturing zones and transport corridors contributes to regional background pollution. The lack of significant natural barriers to wind flow means pollutants can accumulate, particularly during the winter months when heating demands increase. The Chirchiq River, while vital for irrigation, doesn’t offer substantial dispersion of airborne particles.

Do‘stobod experiences a continental climate with distinct seasons, profoundly impacting air quality. Spring (March-May) sees a gradual improvement as temperatures rise and rainfall increases, washing away accumulated winter pollutants, though dust from agricultural activities can become noticeable. Summer (June-August) is typically the cleanest period, with prevailing winds aiding dispersion, but high temperatures can promote ozone formation. However, increased irrigation can also lead to localised humidity and potential for fungal spore release. Autumn (September-November) marks a deterioration in air quality as temperatures drop and heating systems are activated. This period often sees stagnant air masses and temperature inversions trapping pollutants from residential coal and gas burning. November is particularly problematic. Winter (December-February) is the most polluted season. Low temperatures, reduced sunlight, and increased reliance on solid fuels for heating lead to high concentrations of particulate matter and sulfur dioxide. Fog is common, exacerbating visibility and trapping pollutants near the ground. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor exposure during autumn and winter. Spring and summer offer the most favourable conditions for outdoor activity, but monitoring local conditions remains crucial.