A New Global Air Quality Health Index Based on the WHO Air Quality Guideline Values With Application in Cape Town.

Autor: Adebayo-Ojo TC; Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland.; University of Basel, Basel, Switzerland., Wichmann J; Faculty of Health Sciences, School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa., Arowosegbe OO; Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom.; MRC Centre for Environment and Health, School of Public Health, Imperial College London, London, United Kingdom., Probst-Hensch N; Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland.; University of Basel, Basel, Switzerland., Schindler C; Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland.; University of Basel, Basel, Switzerland., Künzli N; Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland.; University of Basel, Basel, Switzerland.; Swiss School of Public Health (SSPH+), Zürich, Switzerland.
Jazyk: angličtina
Zdroj: International journal of public health [Int J Public Health] 2023 Oct 23; Vol. 68, pp. 1606349. Date of Electronic Publication: 2023 Oct 23 (Print Publication: 2023).
DOI: 10.3389/ijph.2023.1606349
Abstrakt: Objectives: This study developed an Air Quality Health Index (AQHI) based on global scientific evidence and applied it to data from Cape Town, South Africa. Methods: Effect estimates from two global systematic reviews and meta-analyses were used to derive the excess risk (ER) for PM 2.5 , PM 10 , NO 2 , SO 2 and O 3 . Single pollutant AQHIs were developed and scaled using the ERs at the WHO 2021 long-term Air Quality Guideline (AQG) values to define the upper level of the "low risk" range. An overall daily AQHI was defined as weighted average of the single AQHIs. Results: Between 2006 and 2015, 87% of the days posed "moderate to high risk" to Cape Town's population, mainly due to PM 10 and NO 2 levels. The seasonal pattern of air quality shows "high risk" occurring mostly during the colder months of July-September. Conclusion: The AQHI, with its reference to the WHO 2021 long-term AQG provides a global application and can assist countries in communicating risks in relation to their daily air quality.
Competing Interests: The authors declare that they do not have any conflicts of interest.
(Copyright © 2023 Adebayo-Ojo, Wichmann, Arowosegbe, Probst-Hensch, Schindler and Künzli.)
Databáze: MEDLINE
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