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Godella, nestled within the metropolitan area of Valencia, Spain, occupies a strategically significant position in the Valencian Community. Located approximately 6 kilometers northwest of the city of Valencia, its coordinates (39.5200, -0.4114) place it within a gently sloping alluvial plain formed by the Turia River. This plain, historically a riverbed, now serves as a vital green corridor, influencing local microclimates and air circulation patterns. The terrain is predominantly flat, facilitating urban sprawl and a relatively uniform distribution of residential areas. Godella’s proximity to Valencia means it shares in the broader urban landscape, experiencing the effects of regional industrial activity and transportation networks. To the west, the Sierra Calderona mountain range provides a backdrop, influencing prevailing winds and occasionally trapping pollutants under stable atmospheric conditions. The surrounding landscape is a blend of urban development and agricultural land, with orange groves and other cultivated fields extending beyond the immediate urban boundary. This urban-rural gradient contributes to a mix of agricultural emissions and urban pollutants. The Mediterranean Sea, though not directly adjacent, exerts a moderating influence on the climate, bringing humidity and sea breezes that can disperse pollutants. The absence of significant elevation changes within Godella itself, combined with its position downwind of industrial zones and major roadways, makes it susceptible to the accumulation of airborne particulate matter and gaseous pollutants, particularly during periods of stagnant air.

Godella’s air quality follows a distinct seasonal pattern dictated by its Mediterranean climate. Summers (June-August) are typically hot and dry, characterized by high temperatures and infrequent rainfall. This often leads to atmospheric stability, promoting temperature inversions where a layer of warm air traps cooler air near the ground, hindering pollutant dispersion. Agricultural activities, including irrigation and harvesting, can also contribute to localized emissions during this period. Autumn (September-November) brings a gradual shift, with increased rainfall and more frequent wind events, generally improving air quality as pollutants are washed away and dispersed. Winter (December-February) presents a mixed picture. While rainfall is more common than in summer, cold, still days can lead to the formation of fog and temperature inversions, trapping pollutants and reducing visibility. Heating systems, particularly those using biomass, can also contribute to localized pollution. Spring (March-May) is generally the most favourable season for air quality, with moderate temperatures, frequent rainfall, and increasing wind speeds. The blossoming of orange groves, while visually appealing, can release pollen, impacting individuals with allergies. Sensitive groups, including children, the elderly, and those with respiratory conditions, should be particularly mindful during summer and winter months, limiting outdoor activity during periods of stagnant air or high pollen counts. Avoiding peak traffic hours and exercising near green spaces can also mitigate exposure. The transition months of spring and autumn offer the most comfortable conditions for outdoor pursuits.