Almenara Air Quality Index (AQI)

Loading live AQI data...

Loading weather snapshot...

Loading historical AQI trends...

Almenara, nestled within the Minas Gerais state of Brazil, occupies a geographically significant position in the southeastern region. Located at approximately -16.1833° latitude and -40.7000° longitude, the city sits within the broader landscape of the Brazilian Highlands, characterized by undulating terrain and a generally elevated plateau. The surrounding landscape is a mosaic of cerrado savanna and remnants of Atlantic Forest, a biome known for its biodiversity and unique vegetation. Almenara’s elevation, averaging around 800 meters above sea level, contributes to cooler temperatures compared to lower-lying areas of Brazil, but also influences atmospheric stability. The city’s proximity to the São Francisco River, though not directly on its banks, means it benefits from the river's influence on regional climate patterns, potentially moderating temperature extremes. The urban fabric of Almenara is relatively compact, reflecting its smaller population of 40,364. The surrounding area exhibits a gradual urban-rural gradient, transitioning from residential areas to agricultural lands and then into the expansive cerrado. Agriculture, particularly cattle ranching and soybean cultivation, plays a vital role in the regional economy, and these activities can contribute to localized air quality concerns, especially during burning seasons. The city's location within a developing region of Brazil means that industrial activity, while not extensive, is present, primarily related to mining and processing of mineral resources, which can introduce specific pollutants into the air. Topography creates localized valleys where pollutants can accumulate, particularly during periods of low wind.

Almenara’s tropical savanna climate dictates a distinct wet and dry season cycle, profoundly impacting air quality throughout the year. The dry season, typically spanning from April to September, is characterized by lower rainfall and increased temperatures, creating conditions conducive to the accumulation of pollutants. Reduced precipitation means fewer opportunities for atmospheric cleansing through rainfall washout. Furthermore, the dry vegetation becomes highly susceptible to wildfires, often intentionally set for land clearing or agricultural purposes, releasing significant quantities of particulate matter and gases into the atmosphere. Temperature inversions, common during the cooler dry season nights, trap pollutants near the ground, exacerbating air quality issues. The wet season, from October to March, brings increased rainfall and higher humidity, generally leading to improved air quality as pollutants are washed from the atmosphere. However, heavy rainfall events can also mobilize dust and soil particles, temporarily degrading air quality. Fog, particularly during the transition months, can also trap pollutants, creating localized pockets of poor air quality. During the dry months (July-August), outdoor activities should be limited for sensitive groups like children, the elderly, and individuals with respiratory conditions. The burning season, peaking in August and September, poses the greatest risk, and residents should monitor local air quality reports and take precautions to minimize exposure. The wet season offers a respite, but vigilance is still advised during periods of intense rainfall or fog.