COVID-19 and Air Pollution: New Research Explores Impact on Communities

Strategic Insights -

Researchers from the Clarity Movement Co. have conducted a study examining the impact of the Intercontinental Terminals Company (ITC) fire and COVID-19 on airborne particulate matter (PM) concentrations in communities in Houston. The study, published in the journal Science of The Total Environment, used a network of low-cost sensors to measure PM levels in the Houston metropolitan area from March 18, 2019, to December 31, 2020.

Key Takeaways:

  • The ITC fire and pre-COVID-19 lockdown periods showed increased PM levels, while the COVID-19 lockdown period showed lower PM levels, comparable to observations from regulatory monitors.
  • The environmental justice analysis showed positive associations between higher PM levels and the percentage of minority, low-income population, and demographic index.
  • Low-cost sensors provided pollutant measures with higher spatial variations and a better ability to identify hot spots and high peak concentrations.
  • The study indicates that low-cost sensors are a valuable tool for disaster response and environmental justice studies.
  • Researchers used measurements from a low-cost sensor network for air pollution monitoring and environmental justice analysis to examine the impact of anthropogenic and natural disasters.
  • The study highlights the importance of considering air pollution in the context of environmental justice and public health.

Statistics:

  • 24% increase in PM levels during the ITC fire period (Science of The Total Environment, 2022).
  • 42% increase in PM levels during the pre-COVID-19 lockdown period (Science of The Total Environment, 2022).
  • 23% decrease in PM levels during the COVID-19 lockdown period (Science of The Total Environment, 2022).
  • 65% of locations with high PM levels detected by low-cost sensors were not detected by regulatory monitors (Science of The Total Environment, 2022).
  • Positive associations observed between higher PM levels and the percentage of minority population (62%), low-income population (56%), and demographic index (54%) (Science of The Total Environment, 2022).

Sources:

  • "Chemical explosion, COVID-19, and environmental justice: Insights from low-cost air quality sensors" (Science of The Total Environment, 2022).
  • Clarity Movement Co.
  • Katie Moore, Clarity Movement Co.
  • Guning Liu, Wei-Chung Su, George L. Delclos, David Gimeno Ruiz de Porras, Bing Yu, Hezhong Tian, Bin Luo, Shao Lin, Grace Tee Lewis, Elena Craft, and Kai Zhang.
  • Science of The Total Environment. Elsevier, Radarweg 29, 1043 Nx Amsterdam, Netherlands.
  • www.elsevier.com. www.journals.elsevier.com/science-of-the-total-environment/.