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Puente-Genil, nestled in the heart of Andalusia, Spain, occupies a strategic position within the Guadalquivir River Valley. Its coordinates (37.3833, -4.7667) place it approximately 30 kilometers northeast of Córdoba, a historically significant city. The town’s name, translating to 'Bridge-Genil,' reflects its origins as a crossing point over the Genil River, a vital waterway shaping the region’s landscape and agricultural practices. The surrounding terrain is predominantly characterized by gently rolling hills and fertile plains, typical of the Subbetica region. Elevation ranges from around 50 meters near the river to approximately 200 meters on the higher slopes, influencing local wind patterns and potential for temperature inversions. The Guadalquivir River itself moderates the local climate, providing some humidity and influencing precipitation patterns. Beyond the immediate urban area, the landscape transitions into olive groves and agricultural fields, a significant economic driver for the region. To the north, the Sierra de Hornachuelos mountain range provides a backdrop, impacting airflow and potentially trapping pollutants under certain meteorological conditions. The urban–rural gradient is relatively smooth, with agricultural land closely bordering the town, meaning agricultural practices and associated emissions (fertilizer use, machinery) can directly impact local air quality. While not situated directly within a major industrial belt, Puente-Genil’s proximity to Córdoba and other regional centers means it can be affected by transboundary pollution events. The valley’s topography, combined with the river’s influence, creates a complex microclimate that significantly impacts air quality dynamics.

Puente-Genil’s air quality experiences a distinct seasonal cycle dictated by the Mediterranean climate. Summers (July-August) are typically hot and dry, characterized by prolonged periods of sunshine and minimal rainfall. This leads to stagnant air conditions, particularly during heatwaves, which can trap pollutants and exacerbate respiratory issues. Temperature inversions, common during these months, further contribute to poor air quality by preventing vertical mixing of the atmosphere. Spring (March-May) and Autumn (September-November) generally offer the most favourable conditions, with moderate temperatures, increased rainfall, and more frequent wind events that help disperse pollutants. However, agricultural burning, a traditional practice in the region, can significantly impact air quality during these transitional periods, especially in April and October. Winters (December-February) are relatively mild but can be punctuated by periods of fog, particularly in the mornings, which traps pollutants close to the ground. The Guadalquivir River’s presence provides some humidity, but the overall dryness of the climate, especially during summer, promotes the accumulation of particulate matter. Sensitive groups, including children, the elderly, and individuals with pre-existing respiratory conditions, should exercise caution during summer months and be mindful of agricultural burning events in spring and autumn. Outdoor activities are generally best enjoyed during the cooler, wetter months, avoiding peak hours when traffic congestion is highest.