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Puenres, nestled within the Monagas state of Venezuela, occupies a geographically significant position in the northeastern part of the country. Located at approximately 9.9898° latitude and -63.3366° longitude, the city’s terrain is characterized by gently undulating plains, typical of the Llanos region. The surrounding landscape is predominantly agricultural, with extensive grasslands and cultivated fields dominating the rural areas. This proximity to agricultural zones introduces potential sources of air pollution, particularly during planting and harvesting seasons, with dust and pesticide drift being concerns. Puenres sits relatively close to the Orinoco River basin, though direct access to the river is limited, influencing regional humidity and potentially affecting atmospheric stability. The elevation is relatively low, contributing to a tendency for temperature inversions, especially during the cooler months, which can trap pollutants near the ground. While not directly coastal, the region experiences influences from the Caribbean Sea, bringing occasional sea breezes that can disperse pollutants, though these are often countered by the prevailing continental air masses. The urban–rural gradient around Puenres is gradual, with small settlements and agricultural activities interspersed throughout the landscape. There's limited evidence of heavy industrial belts immediately adjacent to the city, suggesting that local industrial emissions are likely the primary contributor to air quality issues, alongside agricultural practices and vehicle traffic within the city itself. The flat terrain and limited natural barriers exacerbate the potential for pollutant accumulation.

Puenres experiences a tropical savanna climate, characterized by distinct wet and dry seasons rather than the four traditional seasons. The dry season, typically spanning from December to April, often sees a noticeable increase in particulate matter. This is largely due to reduced rainfall, which limits the natural cleansing effect of precipitation, and increased wind speeds that can stir up dust from agricultural fields. Temperature inversions are more frequent during this period, trapping pollutants closer to the ground, particularly in the mornings. The wet season, from May to November, brings higher humidity and more frequent rainfall, generally leading to improved air quality as pollutants are washed from the atmosphere. However, heavy rainfall events can sometimes lead to localized flooding and the release of pollutants from inundated areas. Fog, a relatively common occurrence during the cooler, drier months, can also exacerbate air quality issues by trapping pollutants and reducing visibility. During the transition periods between wet and dry seasons, wind patterns can be erratic, leading to unpredictable fluctuations in air quality. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly during periods of dust storms or fog. Outdoor activities are generally more favorable during the wet season, but it's advisable to monitor local conditions and avoid areas prone to flooding. Agricultural burning, a common practice in the region, can significantly impact air quality during both seasons, though it tends to be more pronounced during the dry season when vegetation is drier and more easily ignited.