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Nové Mesto nad Váhom, nestled in the heart of the Nitra Region of Slovakia, occupies a geographically significant position along the Váh River. Its coordinates (48.7547, 17.8308) place it within a relatively flat, alluvial plain characteristic of the Lower Váh Basin. The Váh River itself, Slovakia’s longest, exerts a considerable influence on the local climate and landscape, moderating temperatures and contributing to humidity. The surrounding terrain is predominantly agricultural, with extensive fields of arable land stretching outwards from the town, interspersed with smaller villages and scattered woodlands. This proximity to intensive agricultural practices, particularly during planting and harvesting seasons, can contribute to particulate matter and ammonia emissions. To the north and east, the landscape gradually rises, transitioning into the foothills of the Strážovské vrchy mountains, which can influence local wind patterns and, occasionally, trap pollutants. The urban character of Nové Mesto nad Váhom is that of a small, historically significant town, with a relatively low population density. While not a major industrial hub, it benefits from its location along a key transportation corridor, the Váh River, and is within reasonable commuting distance of larger industrial areas further west. The urban–rural gradient is relatively smooth, with agricultural land immediately bordering the town’s periphery. Elevation is low, averaging around 170 meters above sea level, which can exacerbate the effects of temperature inversions, particularly during colder months, hindering pollutant dispersion. The river's presence also means potential for localized humidity and fog formation, impacting air quality.

The air quality in Nové Mesto nad Váhom exhibits a distinct seasonal pattern largely dictated by meteorological conditions and agricultural activities. Spring (March-May) often sees a rise in particulate matter due to agricultural practices like ploughing and fertilizer application, combined with increased pollen levels. Wind patterns are variable, sometimes leading to localized stagnation. Summer (June-August) generally offers the best air quality, with warmer temperatures promoting atmospheric mixing and dispersing pollutants. However, periods of intense heat can lead to ozone formation, though this is typically less of a concern than particulate matter. Autumn (September-November) brings a return to elevated particulate levels, stemming from harvest activities and the onset of cooler temperatures. Temperature inversions become more frequent, trapping pollutants close to the ground, especially during still, foggy mornings. Winter (December-February) presents the most challenging period. Cold, stable air masses, coupled with frequent temperature inversions and potential for fog, significantly reduce air quality. Residential heating, often reliant on solid fuels, contributes to elevated levels of particulate matter and carbon monoxide. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should limit outdoor exertion during periods of stagnant air and fog, particularly in the mornings. During the agricultural seasons, minimizing exposure during peak activity times (ploughing, harvesting) is advisable. Maintaining indoor air quality through proper ventilation and air filtration can also provide some protection.