Health and Economic Impacts Assessment of O3 Exposure in Mexico

Texcalac-Sangrador, José Luis; Hurtado-Díaz, Magali; Félix-Arellano, Eunice Elizabeth; Guerrero-López, Carlos Manuel; Riojas-Rodríguez, Horacio

doi:10.3390/ijerph182111646

Cited by 4 publications

(5 citation statements)

References 31 publications

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“…We used the entire range of O 3 because there is no compelling evidence of a so-called safe threshold 2 , 18 . However, we performed a sensitivity analysis to evaluate the effect of a safe threshold at 70 µg m − 3 , excluding days with O 3 <70 µg m − 3 and centering the association at 70 µg m − 3 , as commonly done in previous assessments 2 , 13 , 14 , including those by the EEA 4 . Second, for each grid cell and week ( w ) we calculated the weekly averages of AF ( x , w ).…”

Section: Methodsmentioning

confidence: 99%

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Geographic sources of ozone air pollution and mortality burden in Europe

Achebak,

Garatachea,

Pay

et al. 2024

Nat Med

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Ground-level ozone (O3) is a harmful air pollutant formed in the atmosphere by the interaction between sunlight and precursor gases. Exposure to current O3 levels in Europe is a major source of premature mortality from air pollution. However, mitigation actions have been mainly designed and implemented at the national and regional scales, lacking a comprehensive assessment of the geographic sources of O3 pollution and its associated health impacts. Here we quantify both national and imported contributions to O3 and their related mortality burden across 813 contiguous regions in 35 European countries, representing about 530 million people. Imported O3 contributed to 88.3% of all O3-attributable deaths (intercountry range 83–100%). The greatest share of imported O3 had its origins outside the study domain (that is, hemispheric sources), which was responsible for 56.7% of total O3-attributable mortality (range 42.5–87.2%). It was concluded that achieving the air-quality guidelines set out by the World Health Organization and avoiding the health impacts of O3 require not only the implementation of national or coordinated pan-European actions but also global strategies.

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Section: Methodsmentioning

confidence: 99%

“…Several studies have estimated the mortality burden attributable to tropospheric O 3 in different settings 2,[12][13][14] , but a continent-wide assessment of the contribution of O 3 pollution by geographical source is still lacking. In the present study we quantify the health impacts of transboundary-transported O 3 (daily maximum 8-h average) in Europe.…”

mentioning

confidence: 99%

Geographic sources of ozone air pollution and mortality burden in Europe

Achebak,

Garatachea,

Pay

et al. 2024

Nat Med

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“…Additionally, long-term exposure to O 3 has also been found to be related to various respiratory diseases. Therefore, reducing exposure is expected to lessen the risk of the health problems (37).…”

Section: Health Risk Of Omentioning

confidence: 99%

Environmental Health Risk Assessment of Air Pollutants in Online Motorcycle Taxi Drivers in the Special Capital Region of Jakarta

Simatupang

Veronika

Irfandi

et al. 2022

JKL

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Introduction: Online motorcycle taxi drivers spend most of their time outside as either driving or waiting for their customers. Therefore, chances of exposure to various air pollutants are higher and may cause various health problems, especially the respiratory problems. Methods: This is a descriptive study that used the Environmental Health Risk Analysis method to estimate the Risk Quotient (RQ) from exposure to PM10, SO2, CO, O3, and NO2 in drivers. The RQ was calculated based on exposure concentrations from the Special Capital Region of Jakarta Environment Agency; daily working hours, working days in a year, and working period obtained from interviews; additionally, body weight measurement, reference concentration (RfC), and the default value of inhalation intake were also collected. The population of this study was adult online motorcycle taxi drivers who operate around areas which become the air quality measurement stations in the Special Capital Region of Jakarta with a total sample of 81 people. Results and Discussion: The RQ for all minimum, average, and maximum concentrations of SO2, CO, and NO2 were <1. While for the average and maximum concentrations of PM10 and the maximum concentration of O3, the RQ was >1. The safe concentrations, work duration, and the number of working days also surpassed the maximum safety limit levels. Conclusion: PM10 and O3 ambient exposures are categorized unsafe for drivers. Environmental health efforts are necessary to reduce the concentration of air pollutants, and the guidelines to reduce pollutants exposure should be provided for drivers.

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“…Mexico City has one of the highest concentrations of children in the world, with around 500,000 registered births each year. Several studies in recent years evaluated both the mortality and morbidity associated with the effect of pollution in Mexico [ 3 , 4 , 5 ]. The high concentration of pollutants, mainly particulate matter and to a lesser extent ozone, has been associated with an increase in different diseases such as neurodegeneration and with excess mortality from cardiovascular and respiratory failure [ 6 , 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Air Pollution on the Basal DNA Damage of Mother–Newborn Couples of México City

Valverde,

Granados,

Milić

et al. 2023

Toxics

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Environmental pollution of megacities can cause early biological damage such as DNA strand breaks and micronuclei formation. Comet assay tail length (TL) reflects exposure in the uterus to high levels of air pollution, primarily ozone and air particles (PM10), including mothers’ smoking habits during pregnancy, conditions which can lead to low birth weight. In this biomonitoring study, we evaluated basal DNA damage in the cord blood cells of newborn children from Mexico City. We found a correlation between DNA damage in mothers and their newborns, including various parameters of environmental exposure and complications during pregnancy, particularly respiratory difficulties, malformations, obstetric trauma, neuropathies, and nutritional deficiencies. Mothers living in the southern part of the city showed double DNA damage compared to those living in the northern part (TL 8.64 μm vs. 4.18 μm, p < 0.05). Additionally, mothers’ DNA damage correlates with exposure to NOx (range 0.77–1.52 ppm) and PM10 (range 58.32–75.89 μg/m3), as well maternal age >29. These results highlight the sensitivity of the comet assay in identifying differential in utero exposure for newborns whose mothers were exposed during pregnancy. They also suggest the importance of antioxidants during pregnancy and the role of the placental barrier in protecting the newborn from the DNA-damaging effects of oxidative pollution.

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Health and Economic Impacts Assessment of O3 Exposure in Mexico

Cited by 4 publications

References 31 publications

Geographic sources of ozone air pollution and mortality burden in Europe

Geographic sources of ozone air pollution and mortality burden in Europe

Environmental Health Risk Assessment of Air Pollutants in Online Motorcycle Taxi Drivers in the Special Capital Region of Jakarta

Effect of Air Pollution on the Basal DNA Damage of Mother–Newborn Couples of México City

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