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Perico, a municipality within the Matanzas Province of Cuba, occupies a geographically significant position along the northern coast. Located at 22.7753°N, -81.0153°W, the city benefits from a coastal plain terrain, gently sloping towards the Atlantic Ocean. Its elevation is relatively low, contributing to limited natural dispersion of pollutants. The surrounding landscape is a mix of agricultural land, primarily dedicated to sugarcane and citrus cultivation, and pockets of mangrove forests along the coastline. This agricultural activity introduces potential sources of particulate matter from field preparation and harvesting, alongside pesticide drift. The city’s proximity to the Via Blanca highway, a major transportation artery, introduces vehicular emissions as a key contributor to local air pollution. The urban-rural gradient is relatively sharp, with agricultural areas immediately bordering the city limits. The prevailing winds, generally from the east, can transport pollutants from nearby industrial zones in Matanzas city, impacting Perico’s air quality. The coastal location also means susceptibility to salt spray, which can exacerbate respiratory issues. Understanding this interplay of geography and land use is crucial for assessing and mitigating air quality concerns in Perico.

Perico experiences a tropical climate, characterized by a distinct wet and dry season rather than traditional four seasons. Air quality generally improves during the wet season (May to October) due to increased rainfall which effectively washes particulate matter from the atmosphere. However, high humidity can also foster mold growth, impacting indoor air quality. The dry season (November to April) typically sees poorer air quality. This is due to reduced rainfall, allowing pollutants to accumulate, and stronger winds that can carry dust from agricultural lands and potentially from further afield. January and February are often the driest months, and therefore, the most challenging for respiratory health. Temperature inversions, though not frequent, can occur during the cooler months, trapping pollutants near ground level. Sensitive groups – children, the elderly, and those with pre-existing respiratory conditions – should limit strenuous outdoor activity during the dry season, particularly on windy days. Monitoring local weather patterns and agricultural practices is vital for predicting pollution episodes. Increased sugarcane burning during harvest season can lead to temporary spikes in particulate matter.