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Babruysk, situated in the Mahilyowskaya Voblasts’ of Belarus, occupies a geographically significant position within the Belarusian Plain, a vast, gently undulating landscape. Located at approximately 53.15° N, 29.23° E, the city’s terrain is predominantly flat, averaging around 145 meters (476 feet) above sea level. This low elevation, combined with its location within a broad river valley carved by the Berezina River and its tributaries, contributes to a localized tendency for air stagnation, particularly during periods of calm weather. The surrounding landscape is a mosaic of agricultural fields – primarily grain and sugar beet cultivation – interspersed with patches of deciduous forest, typical of the East European Plain. This agricultural activity, while vital to the regional economy, can contribute to seasonal particulate matter pollution, especially during harvest and fertilizer application. Babruysk’s proximity to the Berezina River provides a degree of humidity, which can trap pollutants close to the ground, exacerbating air quality issues. Historically, the city developed as an industrial hub, with significant manufacturing sectors including rubber production and engineering, further influencing local air quality. The urban–rural gradient around Babruysk is relatively gradual, with smaller settlements and agricultural land extending outwards, meaning industrial emissions can readily impact surrounding communities. The lack of significant topographic barriers means pollutants are not easily dispersed, making the city vulnerable to localized air quality degradation.

Babruysk’s air quality experiences a distinct seasonal cycle heavily influenced by meteorological conditions. Winters (December-February) are typically the most challenging, characterized by prolonged periods of cold temperatures and frequent temperature inversions. These inversions trap cold air near the ground, preventing the vertical dispersion of pollutants released from industrial sources and residential heating (often reliant on coal and wood). Fog, common during these months, further compounds the problem by absorbing and concentrating particulate matter. Spring (March-May) brings a gradual improvement as temperatures rise and wind speeds increase, aiding in pollutant dispersal. However, agricultural activities, such as fertilizer application and plowing, can introduce particulate matter and ammonia into the air. Summer (June-August) generally offers the best air quality, with warmer temperatures, stronger winds, and more frequent rainfall helping to cleanse the atmosphere. However, heatwaves can lead to increased ozone formation, a secondary pollutant. Autumn (September-November) sees a return to more variable conditions. Harvest season contributes to agricultural dust, and the onset of cooler temperatures can trigger occasional temperature inversions, though generally less severe than in winter. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during winter months, limiting outdoor exposure on days with stagnant air. Spring and autumn require awareness of agricultural emissions, and summer heatwaves necessitate monitoring for ozone levels. Maintaining indoor air quality through ventilation and air purification can be beneficial throughout the year.