Effect of environmental pollutants PM-2.5, carbon monoxide, and ozone on the incidence and mortality of SARS-COV-2 infection in ten wildfire affected counties in California

Various regions of California have experienced a large number of wildfires this year, at the same time the state has been experiencing a large number of cases of and deaths from Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). The present study aimed to investigate the relationship of w...

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Bibliographic Details
Published in:The Science of the total environment 2021-02, Vol.757, p.143948-143948, Article 143948
Main Authors: Meo, Sultan Ayoub, Abukhalaf, Abdulelah Adnan, Alomar, Ali Abdullah, Alessa, Omar Mohammed, Sami, Waqas, Klonoff, David C.
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Air Pollutants - toxicity
Air Pollution - adverse effects
Air Pollution - analysis
California
California - epidemiology
Carbon Monoxide - analysis
Carbon Monoxide - toxicity
COVID 19
Environmental Pollutants
Environmental pollution
Humans
Incidence
Mortality
Ozone - analysis
Ozone - toxicity
Particulate Matter - analysis
Particulate Matter - toxicity
Prevalence
SARS-CoV-2
Wildfire
Wildfires
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Summary:Various regions of California have experienced a large number of wildfires this year, at the same time the state has been experiencing a large number of cases of and deaths from Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). The present study aimed to investigate the relationship of wildfire allied pollutants, including particulate matter (PM-2.5 μm), carbon monoxide (CO), and Ozone (O3) with the dynamics of new daily cases and deaths due to SARS-COV 2 infection in 10 counties, which were affected by wildfire in California. The data on COVID-19 pertaining to daily new cases and deaths was recorded from Worldometer Web. The daily PM-2.5 μm, CO, and O3 concentrations were recorded from three metrological websites: BAAQMD- Air Quality Data; California Air Quality Index-AQI; and Environmental Protection Agency- EPA. The data recorded from the date of the appearance of first case of (SARS-CoV-2) in California region to the onset of wildfire, and from the onset of wildfire to September 22, 2020. After the wildfire, the PM2.5 concentration increased by 220.71%; O3 by 19.56%; and the CO concentration increased by 151.05%. After the wildfire, the numbers of cases and deaths due to COVID-19 both increased respectively by 56.9% and 148.2%. The California wildfire caused an increase in ambient concentrations of toxic pollutants which were temporally associated with an increase in the incidence and mortality of COVID-19. [Display omitted] •Impact of wildfire pollutants on COVID-19 cases and deaths was examined in 10 counties in California.•PM 2.5 concentration increased by 220.71%; CO by 151.05%, and O3 by 19.56%.•COVID-19 cases and deaths increased by 56.9%, and 148.21% respectively.•PM-2.5, CO, and O3 concentrations were temporally associated with increases in the incidence and mortality of COVID-19.
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2020.143948