Air Quality Index and Ozone Environmental Contingencies in the Megalopolis of the Metropolitan Zone of the Valley of Mexico

IF 2.9 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Mauro Cortez-Huerta, Yrany Rubio Gomez, Elizabeth Vega, Miriam Vega-Hernández, Ángel Silveti-Loeza, Gladys Linares-Fleites, Miguel Ángel Valera-Pérez
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Abstract

The Megalopolis of the Mexico Valley Metropolitan Area (MZMVM) is one of the most polluted regions in the country. With its high population density and industrial activity, the MZMVM has recurrent ozone pollution episodes due to meteorological conditions and emissions of precursors such as nitrogen oxides and volatile organic compounds. The study of ozone is crucial due to its severe effects on human health, vegetation degradation, and air quality. The methodology used included the analysis of the air quality index and the occurrence of environmental contingencies from 2001 to 2022. Data from 80 monitoring stations distributed in the seven states constituting the MZMVM were used. The data were validated and processed according to Mexican and international standards. The results show an improvement in air quality in Mexico City and the State of Mexico, while a deterioration was observed in Hidalgo and Morelos during the study period. Although environmental emergencies due to ozone are now less frequent, they still represent a significant risk to public health and should be analyzed. This analysis highlights the importance of implementing stricter and more sustainable policies to reduce emissions of ozone precursors and protect both human health and the environment.

空气质量指数和臭氧环境事故在墨西哥谷大都市区的大城市
墨西哥河谷大都市区(MZMVM)是该国污染最严重的地区之一。由于人口密度和工业活动较多,由于气象条件和排放氮氧化物和挥发性有机化合物等前体,该区经常发生臭氧污染事件。由于臭氧对人类健康、植被退化和空气质量的严重影响,对臭氧的研究至关重要。所使用的方法包括分析2001年至2022年的空气质量指数和环境突发事件的发生。数据来自分布在构成MZMVM的7个州的80个监测站。根据墨西哥和国际标准对数据进行了验证和处理。结果表明,在研究期间,墨西哥城和墨西哥州的空气质量有所改善,而伊达尔戈和莫雷洛斯州的空气质量则出现恶化。虽然臭氧造成的环境紧急情况现在不那么频繁了,但它们仍然对公众健康构成重大风险,应该加以分析。这一分析强调了执行更严格和更可持续的政策以减少臭氧前体排放和保护人类健康和环境的重要性。
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来源期刊
Air Quality Atmosphere and Health
Air Quality Atmosphere and Health ENVIRONMENTAL SCIENCES-
CiteScore
8.80
自引率
2.00%
发文量
146
审稿时长
>12 weeks
期刊介绍: Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health. It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes. International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals. Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements. This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.
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