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Pardubice, nestled in the heart of the Pardubický Kraj region of the Czech Republic, occupies a geographically significant position within a landscape shaped by the Elbe River and the rolling hills of Central Bohemia. Located at approximately 50.0386° N, 15.7792° E, the city sits at an elevation of around 235 meters (771 feet) above sea level, contributing to localized weather patterns. The surrounding terrain is predominantly agricultural, with extensive fields of grain and rapeseed stretching outwards, a legacy of the region’s historical importance in farming. To the east, the landscape gradually rises, transitioning into more forested areas. The Elbe River, flowing generally northwards, plays a crucial role in the local climate, moderating temperatures and influencing humidity levels. Pardubice’s urban character is a blend of historical architecture, reflecting its medieval origins as a royal town, and modern development. While not a major industrial hub compared to cities like Ostrava, Pardubice does possess a moderate industrial presence, including food processing and engineering sectors, which contribute to localized air pollution sources. The urban–rural gradient is relatively smooth, with smaller villages and agricultural land closely interwoven with the city’s boundaries. This proximity to agricultural zones means that seasonal agricultural practices, such as burning crop residue, can impact air quality, particularly during autumn. The city’s location within a broad river valley can also lead to the trapping of pollutants under certain meteorological conditions, exacerbating air quality challenges.

Pardubice’s air quality experiences a distinct seasonal cycle heavily influenced by meteorological factors. Spring (March-May) often brings a gradual improvement as temperatures rise and winds increase, dispersing accumulated pollutants. However, this period can also be punctuated by episodes of elevated particulate matter due to pollen release and agricultural activities like fertilizer application. Summer (June-August) generally sees the best air quality, with consistent winds and higher temperatures promoting good ventilation. However, prolonged heatwaves can lead to stagnant air and ozone formation, though this is less pronounced than in more southerly European cities. Autumn (September-November) presents the most significant air quality challenges. Cooler temperatures combined with decreasing wind speeds frequently lead to temperature inversions, trapping pollutants close to the ground. Agricultural burning, a traditional practice in the region, further contributes to particulate matter pollution during this period. Fog, common in autumn and winter, also exacerbates the problem by reducing visibility and trapping pollutants. Winter (December-February) is characterized by cold, stable air and frequent fog, leading to prolonged periods of poor air quality. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should limit outdoor activity during these periods, particularly on days with low visibility or stagnant air. It’s advisable to monitor local air quality reports and adjust outdoor plans accordingly, prioritizing indoor activities during periods of elevated pollution. Maintaining good ventilation indoors is also important, but should be balanced with the potential for outdoor pollutants to enter.