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Health Risk Assessment of Exposure to Air Pollutants Exceeding the New WHO Air Quality Guidelines (AQGs) in São Paulo, Brazil

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  • Caroline Fernanda Hei Wikuats

    (Departamento de Ciências Atmosféricas, Instituto de Astronomia, Geofísica de Ciências Atmosféricas, Universidade de São Paulo, São Paulo 05508-090, Brazil)

  • Thiago Nogueira

    (Departamento de Saúde Ambiental, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo 01246-904, Brazil)

  • Rafaela Squizzato

    (Departamento de Ciências Atmosféricas, Instituto de Astronomia, Geofísica de Ciências Atmosféricas, Universidade de São Paulo, São Paulo 05508-090, Brazil)

  • Edmilson Dias de Freitas

    (Departamento de Ciências Atmosféricas, Instituto de Astronomia, Geofísica de Ciências Atmosféricas, Universidade de São Paulo, São Paulo 05508-090, Brazil)

  • Maria de Fatima Andrade

    (Departamento de Ciências Atmosféricas, Instituto de Astronomia, Geofísica de Ciências Atmosféricas, Universidade de São Paulo, São Paulo 05508-090, Brazil)

Abstract

We applied the AirQ+ model to analyze the 2021 data within our study period (15 December 2020 to 17 June 2022) to quantitatively estimate the number of specific health outcomes from long- and short-term exposure to atmospheric pollutants that could be avoided by adopting the new World Health Organization Air Quality Guidelines (WHO AQGs) in São Paulo, Southeastern Brazil. Based on temporal variations, PM 2.5 , PM 10 , NO 2 , and O 3 exceeded the 2021 WHO AQGs on up to 54.4% of the days during sampling, mainly in wintertime (June to September 2021). Reducing PM 2.5 values in São Paulo, as recommended by the WHO, could prevent 113 and 24 deaths from lung cancer (LC) and chronic obstructive pulmonary disease (COPD) annually, respectively. Moreover, it could avoid 258 and 163 hospitalizations caused by respiratory (RD) and cardiovascular diseases (CVD) due to PM 2.5 exposure. The results for excess deaths by RD and CVD due to O 3 were 443 and 228, respectively, and 90 RD hospitalizations due to NO 2 . Therefore, AirQ+ is a useful tool that enables further elaboration and implementation of air pollution control strategies to reduce and prevent hospital admissions, mortality, and economic costs due to exposure to PM 2.5 , O 3 , and NO 2 in São Paulo.

Suggested Citation

  • Caroline Fernanda Hei Wikuats & Thiago Nogueira & Rafaela Squizzato & Edmilson Dias de Freitas & Maria de Fatima Andrade, 2023. "Health Risk Assessment of Exposure to Air Pollutants Exceeding the New WHO Air Quality Guidelines (AQGs) in São Paulo, Brazil," IJERPH, MDPI, vol. 20(9), pages 1-17, May.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:9:p:5707-:d:1138083
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    References listed on IDEAS

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    1. Karina Camasmie Abe & Simone Georges El Khouri Miraglia, 2016. "Health Impact Assessment of Air Pollution in São Paulo, Brazil," IJERPH, MDPI, vol. 13(7), pages 1-10, July.
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