Brazil is grappling with escalating wildfire incidents, particularly in the ecotone region of Cerrado-Amazon, attributed to climate change and anthropogenic factors. These wildfires significantly impact air quality, posing health and environmental risks to the population. This study aimed to assess the influence of wildfires on air quality in Sinop, a city located in Northern Mato Grosso, Brazil. The primary focus was on understanding the behavior of air pollutants during and after wildfire events. Air quality data were obtained from modeling dataset, while meteorological data from ground-based monitoring, and wildfire data from the National Institute of Spatial Research of Brazil. Statistical analyses were employed to investigate pollutant variations and their relationships with meteorological parameters and wildfire intensity indicators. The study revealed a significant impact of wildfires on pollutant concentrations, with ozone levels rising immediately after fires and remaining elevated for several days. The particulate matter (PM and PM) concentrations increased a few days after fire events. Fire radiative power (FRP) correlated with O levels, suggesting it is an intensity indicator. Temperature exhibited a consistent positive correlation with all pollutants, highlighting its role in pollutant dynamics. The findings underscore the multifaceted relationship between wildfires, meteorological conditions, and pollutant concentrations pointing to the importance of holistic air quality management strategies in fire-prone regions. Such studies are crucial for guiding environmental policies, safeguarding public health, and advancing scientific understanding in the face of escalating wildfire challenges.

中文翻译：

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火线中：分析巴西亚马逊城市燃烧对空气污染和空气质量的影响

巴西正在努力应对因气候变化和人为因素造成的不断升级的野火事件，特别是在塞拉多-亚马逊生态交错地区。这些野火严重影响空气质量，给人们带来健康和环境风险。这项研究旨在评估野火对巴西马托格罗索州北部城市锡诺普空气质量的影响。主要重点是了解野火事件期间和之后空气污染物的行为。空气质量数据来自建模数据集，气象数据来自地面监测，野火数据来自巴西国家空间研究所。采用统计分析来调查污染物变化及其与气象参数和野火强度指标的关系。该研究揭示了野火对污染物浓度的重大影响，臭氧水平在火灾发生后立即上升，并在数天内保持较高水平。火灾事件发生后几天，颗粒物（PM 和 PM）浓度增加。火灾辐射功率 (FRP) 与 O 水平相关，表明它是一个强度指标。温度与所有污染物均表现出一致的正相关性，凸显了其在污染物动态中的作用。研究结果强调了野火、气象条件和污染物浓度之间的多方面关系，表明在火​​灾多发地区采取整体空气质量管理策略的重要性。面对不断升级的野火挑战，此类研究对于指导环境政策、维护公众健康和增进科学认识至关重要。