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Savanna-la-Mar, nestled in the southwestern reaches of Jamaica’s Westmoreland parish, occupies a unique geographic position. The city sprawls across a relatively flat coastal plain, bordering the Morass, a significant wetland area, and extending towards the foothills of the island’s central mountain range. This low-lying terrain, at an elevation of approximately 10 meters, makes it particularly vulnerable to the effects of sea breezes and stagnant air masses. The city’s proximity to the Caribbean Sea, roughly 2 kilometers to the south, introduces a constant influx of moisture and salt spray, influencing local microclimates. Surrounding Savanna-la-Mar are extensive agricultural lands, primarily dedicated to sugarcane, bananas, and other tropical crops. These agricultural activities contribute to potential air quality concerns through the use of fertilizers, pesticides, and biomass burning for land clearing. The urban-rural gradient is relatively sharp, transitioning quickly from the denser city center to rural farmland. The Morass, while ecologically important, can also trap pollutants, exacerbating localized air quality issues. Limited industrial development within the city itself means that long-range transport of pollutants from larger urban centers like Montego Bay or Kingston can also play a role in air quality conditions. The prevailing winds, generally from the east, can carry pollutants westward, impacting Savanna-la-Mar.

Savanna-la-Mar experiences a distinct wet and dry season, heavily influencing air quality. The dry season, typically spanning December to April, sees lower rainfall and increased dust levels, particularly from agricultural activities and unpaved roads. This period often coincides with increased biomass burning for land preparation, leading to elevated particulate matter concentrations. January and February are generally the clearest months, favoured for outdoor activity, though dust remains a concern. The transition to the wet season, May to June, brings increased rainfall which initially helps to suppress dust, but also creates conditions for mold growth and potential allergen spikes. The wet season, July to November, is characterized by higher humidity and frequent rainfall, generally improving air quality by washing away pollutants. However, heavy rainfall can also lead to localized flooding and the spread of waterborne contaminants. August and September, peak hurricane season, can bring strong winds that disperse pollutants, but also the risk of storm surges carrying saltwater inland. Sensitive groups, including asthmatics and the elderly, should limit outdoor exposure during periods of high pollen or dust, and remain indoors during heavy rainfall or potential storm events. Monitoring weather patterns is crucial for anticipating air quality fluctuations.