The Relation of Air Pollution on Morbidity and Mortality of SARS-CoV-2 Infection in Tekirdag, Türkiye.

Authors

Gamze Varol, Burcu Tokuç, Ülfiye Çelikkalp, Nilay Etiler

Published in

Iranian journal of public health. Volume 54. Issue 11. Pages 2463-2472.

Abstract

We aimed to investigate the relation between environmental air pollutants such as Particulate Matter 10 (PM₁₀), Particulate Matter 2.5 (PM_2.5), Sulfur Dioxide (SO₂) on daily cases and deaths associated with SARS-CoV-2 infection.
The ecological research examined the correlations of the air quality metrics and the data of COVID-19 cases and deaths from March 1, 2020 to March 1, 2021 in the central District of Tekirdağ Province in Türkiye.
During the study period, the average PM₁₀ concentration was 32.57±17.86 μg/m³, PM_2.5 was 20.68±11.31 μg/m³, SO₂ was 11.28±13.42 μg/m³, and NO₂ was 19.07±7.26 μg/m³. The SARS-CoV-2 case fatality rate in the study area during this period was 3.2%. Correlation analyses between air pollutants and SARS-CoV-2 cases and deaths revealed significant positive associations between SARS-CoV-2 cases (r=0.220 for PM₁₀, P<0.001; r=0.290 for PM_2.5, P<0.001; r=0.218 for SO₂, P<0.001) and deaths (r=0.203 for PM₁₀, P<0.001; r=0.289 for PM_2.5, P<0.001; r=0.278 for SO2, P<0.001). Moreover, regression analysis revealed that ambient sulfur dioxide (SO₂) levels significantly predicted both COVID-19 incidence and mortality.
PM₁₀, PM_2.5, and SO₂, key parameters for assessing air quality, exhibit a positive relationship with the increasing number of daily SARS-CoV-2 cases and daily deaths in the study area.

PMID:
42428727
Bibliographic data and abstract were imported from PubMed on 10 Jul 2026.

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