El Jícaro Air Quality Index (AQI)

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El Jícaro, nestled within the department of El Progreso, Guatemala, occupies a geographically complex position in the country’s central highlands. Situated at coordinates 14.9131, -89.8953, the town’s terrain is characterised by rolling hills and valleys, typical of the Motagua River basin. The elevation, approximately 600 meters above sea level, influences temperature and atmospheric circulation patterns. El Jícaro isn’t directly adjacent to a major body of water, though it lies within the broader watershed of the Motagua River, a significant waterway that drains into the Caribbean Sea. The surrounding landscape is predominantly agricultural, with extensive cultivation of maize, beans, and coffee, alongside pockets of pastureland. This agricultural activity contributes significantly to particulate matter pollution through land preparation, harvesting, and the use of agricultural chemicals. The urban-rural gradient is relatively sharp; El Jícaro serves as a market town for the surrounding rural communities. While not a major industrial centre, small-scale processing of agricultural products and local workshops contribute to localised emissions. The valley location can trap pollutants, particularly during periods of calm weather, exacerbating air quality concerns. The prevailing winds, influenced by the regional topography, play a crucial role in dispersing or concentrating these emissions. The town’s position within a natural corridor also means it’s susceptible to transboundary pollution from regional sources.

El Jícaro experiences a distinct wet and dry season, heavily influencing its air quality. The dry season, typically from November to April, sees a significant increase in particulate matter. Reduced rainfall means less atmospheric cleansing, and agricultural burning for land preparation becomes more prevalent, releasing substantial smoke and ash. Dust from unpaved roads also contributes to higher levels of PM10 and PM2.5. January and February are often the months with the poorest air quality. The transition to the wet season, around May, brings a temporary improvement as rainfall washes away accumulated pollutants. However, increased humidity can also foster the growth of molds and fungi, potentially impacting respiratory health. The wet season, lasting from May to October, generally offers better air quality, though localised flooding can stir up sediment and contribute to bacterial contamination. August and September, the peak of the rainy season, are usually the most favourable months for outdoor activity. Temperature inversions, common during the cooler nights of the dry season, can trap pollutants near ground level. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit strenuous outdoor activity during the dry season and monitor their health closely.