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Cueto, nestled within the province of Holguín, Cuba, occupies a geographically significant position in the eastern part of the island. Located at approximately 20.6481° N, 75.9317° W, the city sits within a gently undulating terrain, part of the Sierra de Banes mountain range's foothills. This location influences local air circulation patterns. Cueto’s elevation, while not exceptionally high, provides a degree of natural ventilation, though it can also contribute to temperature inversions under certain meteorological conditions. The surrounding landscape is a mosaic of agricultural lands – primarily sugarcane plantations and smaller plots dedicated to fruit and vegetable cultivation – interspersed with patches of remnant tropical forest. This agricultural activity, while vital to the regional economy, can be a source of localized air pollutants, particularly during harvest seasons when burning is sometimes practiced. The urban–rural gradient transitions relatively smoothly, with smaller settlements and rural communities blending into the city's periphery. The proximity to the Banes River, a significant waterway, moderates local temperatures and contributes to humidity, which can affect the dispersion of airborne particles. While not directly coastal, Cueto’s position within Holguín province means it’s within a reasonable distance of the Atlantic Ocean, influencing prevailing wind patterns and occasional marine aerosol deposition. There are no major industrial belts immediately adjacent to Cueto, but regional industries, primarily related to sugar processing and nickel mining further afield, can contribute to broader air quality concerns transported by prevailing winds. The city’s urban character is characterized by a mix of residential areas, commercial zones, and public spaces, typical of a Cuban provincial town.

Cueto’s tropical climate dictates a distinct wet and dry season pattern, significantly impacting air quality throughout the year. The dry season, generally spanning from November to April, often sees a reduction in overall air moisture, which can exacerbate the effects of particulate matter. While rainfall is less frequent, periods of stagnant air, particularly during temperature inversions common in December and January, can trap pollutants closer to ground level. Agricultural burning, though regulated, may still occur during land preparation for the next planting cycle, contributing to short-term spikes in smoke and particulate pollution. The wet season, from May to October, brings increased rainfall and higher humidity, naturally cleansing the atmosphere and dispersing pollutants. However, intense rainfall events can also lead to increased dust resuspension from unpaved roads and construction sites. The trade winds, typically consistent throughout the year, play a crucial role in air quality, generally providing good ventilation. However, periods of weakened trade winds, often associated with tropical wave passages, can lead to localized pollution build-up. During the transition months of May and November, unpredictable weather patterns can result in fluctuating air quality. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly during periods of stagnant air. Outdoor activities are generally more favorable during the wet season, but vigilance regarding dust levels during heavy rainfall is advised. The intensity of the sun during the dry season can also exacerbate the effects of air pollution on respiratory health, necessitating sun protection and hydration.