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Vinnytsia, situated in west-central Ukraine within the Vinnytska Oblast, occupies a strategic position along the Southern Bug River, approximately 260 kilometres southwest of Kyiv. The city's geography is characterised by its location within the Podolian Upland, a region of rolling hills and fertile plains, with an average elevation of 250 metres above sea level, which subtly influences local air circulation patterns. Vinnytsia's urban character blends historic architecture with Soviet-era developments, creating a moderate-density urban core that transitions into suburban and agricultural peripheries. The Southern Bug River, flowing through the city, provides a natural corridor that can facilitate pollutant dispersion under favourable wind conditions, but also contributes to humidity that may trap pollutants during stagnant weather. Surrounded by extensive agricultural zones, particularly grain and sunflower fields, the region experiences seasonal agricultural emissions from machinery and residue burning, though these are less concentrated than industrial sources. The city lies outside Ukraine's major industrial belts, such as the Donbas or Dnipro regions, resulting in air quality primarily driven by local urban sources—vehicle emissions, residential heating, and small-scale industries—rather than heavy industrial pollution. The urban–rural gradient sees cleaner air in outlying villages, but Vinnytsia's compact size limits severe pollution hotspots. Its inland position, distant from major water bodies like the Black Sea, reduces maritime influences on air quality, making it more susceptible to continental weather patterns that can lead to temperature inversions, especially in valleys near the river.

In Vinnytsia, air quality follows a distinct seasonal rhythm shaped by continental climate patterns, with pollution peaks typically occurring in late autumn and winter. During winter, from December to February, cold temperatures increase reliance on residential heating, often using solid fuels, which elevates particulate matter levels. Temperature inversions are common in the river valleys, trapping pollutants near the ground and creating hazy conditions, making this period less favourable for outdoor activities, especially for sensitive groups like children and the elderly. Spring, from March to May, brings gradual improvement as temperatures rise and precipitation increases, washing pollutants from the air, though occasional dust from agricultural preparations may cause short-term spikes. Summer, from June to August, offers the best air quality, with warm temperatures and higher wind speeds dispersing emissions; however, ozone formation can occur on hot, sunny days, posing risks for those with respiratory conditions. Autumn, from September to November, sees a decline as cooler weather returns and heating emissions rise, compounded by agricultural burning in surrounding areas, leading to moderate pollution levels. Sensitive individuals should monitor local air quality reports, avoid strenuous outdoor activities during inversion episodes in winter, and consider indoor air purifiers during peak months. Overall, summer is the most favourable season for outdoor pursuits, while winter requires caution due to stagnant air and increased emissions.