Bonito Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Bonito, Pernambuco, nestled within Brazil’s Northeast region, occupies a geographically significant position at -8.4700 latitude and -35.7289 longitude. The city’s terrain is characterized by undulating hills and valleys, typical of the *agreste* zone, a transitional landscape between the densely forested *mata* (forest) and the semi-arid *sertão*. This location influences local air quality dynamics. Bonito sits approximately 250 meters above sea level, contributing to potential temperature inversions, particularly during the drier months. The surrounding landscape is a mosaic of small-scale agriculture – primarily sugarcane and manioc cultivation – interspersed with patches of *caatinga* vegetation, a thorny, drought-resistant ecosystem. While Bonito itself is a relatively small urban center with a population of around 37,474, it’s situated within a broader agricultural belt that extends across Pernambuco. This proximity to agricultural activity introduces localized sources of particulate matter, particularly during harvest seasons when burning is sometimes practiced (though increasingly regulated). The city’s urban fabric is compact, with a gradual urban-rural gradient extending outwards into the agricultural lands and the fringes of the *caatinga*. The lack of major industrial zones within Bonito itself mitigates large-scale industrial pollution, but the regional agricultural practices and the city’s topography combine to shape its unique air quality profile. The influence of the Atlantic Ocean, though not immediately adjacent, is felt through prevailing winds that can transport pollutants from more industrialized coastal areas.

Bonito’s tropical climate dictates a distinct wet and dry season pattern, profoundly impacting air quality. The dry season, typically spanning from August to December, is characterized by lower humidity and increased sunshine, but also a greater propensity for dust and particulate matter. Reduced rainfall means less atmospheric cleansing, and the drier vegetation becomes more susceptible to wildfires, a significant source of localized pollution. Temperature inversions are more frequent during this period, trapping pollutants closer to the ground, especially in the mornings. The months of September and October often see a noticeable increase in particulate matter due to agricultural burning practices, although enforcement efforts are aimed at minimizing this. Conversely, the wet season (January to July) brings frequent rainfall, effectively scrubbing the atmosphere and significantly improving air quality. High humidity and cloud cover can, however, occasionally lead to stagnant air conditions, particularly in low-lying areas, potentially trapping pollutants released from local sources. Fog, though infrequent, can also exacerbate this effect. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly during periods of agricultural burning or when dust levels are elevated. Outdoor activities are generally more favorable during the wet season, although vigilance regarding potential pollen allergies remains important. The interplay of rainfall, temperature, and wind patterns creates a dynamic air quality landscape throughout the year in Bonito.