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Bazal’tove is situated in northwestern Ukraine's Rivnenska Oblast, positioned at coordinates 50.6765°N, 26.1600°E within the historic region of Volhynia. This urban settlement lies approximately 200 kilometers west of Kyiv, nestled in the Polesian Lowland—a vast, flat plain characterized by sandy soils, extensive wetlands, and mixed forests that historically formed part of Europe's largest marshland system. The city's elevation of roughly 200 meters above sea level places it within a gently undulating terrain where the Styr River flows nearby, creating a humid microclimate that can trap airborne pollutants. Bazal’tove's urban character reflects its role as a regional administrative and economic hub for Rivnenska Oblast, with a population exceeding 625,000 creating typical urban pollution sources like vehicle emissions, residential heating, and small-scale industry. The surrounding landscape transitions from dense urban development to agricultural zones growing grains, potatoes, and vegetables, with occasional peat extraction areas contributing to particulate matter. Proximity to the Ukrainian-Belarusian border places it within a region of relatively light industrialization compared to eastern Ukraine, though local wood-burning for heating during cold months significantly impacts air quality. The urban-rural gradient shows decreasing pollution levels moving outward from the city center toward the surrounding villages and forested areas, but temperature inversions common in this basin-like topography frequently trap pollutants close to ground level, particularly during calm winter conditions when cold air settles in the low-lying areas.

In Bazal’tove, air quality follows distinct seasonal patterns shaped by Central European continental climate influences. Winter months from December through February typically experience the poorest air quality due to increased residential heating using solid fuels like wood and coal, combined with frequent temperature inversions that trap pollutants in the cold, stagnant air near the ground. These inversion layers are particularly persistent in the Polesian Lowland's basin topography, creating hazy conditions that can last for days. Sensitive groups including children, elderly residents, and those with respiratory conditions should limit prolonged outdoor exposure during these months, especially on windless mornings when pollution concentrations peak. Spring brings gradual improvement as temperatures rise and precipitation increases, with March and April seeing more frequent winds that disperse accumulated pollutants, though occasional late frosts can still cause temporary inversion episodes. Summer offers the cleanest air from June through August, with warmer temperatures reducing heating emissions and increased convective activity helping to ventilate the urban area, making this the ideal season for outdoor activities. Autumn sees a gradual deterioration as temperatures drop in September and October, with increased biomass burning from agricultural activities and early heating use, compounded by more frequent fog formation in the river valleys that can trap pollutants. Throughout the year, weather hazards are minimal, but residents should monitor local air quality reports during transitional seasons when changing weather patterns can create unpredictable pollution episodes.