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Cativá, nestled within the Colón Province of Panama, occupies a strategically important location on the Caribbean coast, approximately 30 kilometers northeast of Panama City. Its coordinates, 9.3624° N, -79.8357° W, place it within a low-lying coastal plain, characterized by relatively flat terrain gradually rising towards the interior. The city’s proximity to the Caribbean Sea significantly influences its climate and, consequently, its air quality. The surrounding landscape is a mosaic of agricultural lands – primarily sugarcane and banana plantations – interspersed with patches of secondary tropical rainforest. This agricultural activity contributes to localized emissions, particularly during harvest seasons. The urban–rural gradient transitions quickly, with Cativá exhibiting a distinct small-town character, lacking the dense industrial zones found closer to Panama City. However, its position along major transportation routes, connecting Panama City to the Caribbean ports, means it experiences a moderate level of vehicular traffic. The prevailing easterly trade winds, a defining feature of the region, play a crucial role in dispersing pollutants, though their effectiveness can be hampered by certain meteorological conditions. The Chagres River, a vital waterway, flows nearby, influencing local humidity and potentially impacting the behaviour of airborne particles. Elevation is minimal, rarely exceeding 30 meters above sea level, which can exacerbate the trapping of pollutants during periods of atmospheric stability. The region's geology, composed primarily of sedimentary deposits, also influences the dispersion of particulate matter.

Cativá’s tropical climate dictates a wet and dry season pattern, profoundly impacting its air quality dynamics. The dry season, typically spanning December to April, often sees a slight improvement in air quality due to reduced rainfall and lower humidity. However, this period can also experience stagnant air conditions, particularly during periods of high-pressure systems, leading to the accumulation of pollutants from agricultural activities and vehicular emissions. The lack of consistent rainfall means dust from unpaved roads and construction sites becomes a more significant concern. Conversely, the wet season (May to November) brings frequent rainfall, which naturally washes pollutants from the atmosphere, generally resulting in improved air quality. However, intense rainfall events can occasionally stir up dust and particulate matter, temporarily degrading air quality. Fog, a relatively common occurrence during the transition months (October-November), can trap pollutants near the ground, creating localized pockets of poor air quality. Temperature inversions, though less frequent than in temperate climates, can still occur, particularly during cooler nights, preventing the vertical mixing of air and leading to pollutant build-up. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly during periods of prolonged sunshine and minimal wind. Outdoor activities are generally more favourable during the wet season, but vigilance is still advised during heavy rainfall events and periods of fog. Agricultural burning, a practice sometimes employed during land clearing, can significantly impact air quality, particularly in rural areas surrounding Cativá.