Fine Particulate Matter (PM2.5) in a Changing Climate

A special issue of Climate (ISSN 2225-1154).

Deadline for manuscript submissions: 31 March 2025 | Viewed by 3067

Special Issue Editors


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Guest Editor
Environment & Public Health Research Group, Cardiff School of Health Sciences, Cardiff Metropolitan University, Western Avenue, Cardiff CF5 2YB, UK
Interests: PM10 and PM2.5 particulate matter and climate change

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Guest Editor
Energy Storage Technologies, Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
Interests: low carbon buildings; desiccant technology; green roofs; urban heat island modelling; green transport technologies

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Guest Editor
Communicable Disease Surveillance Centre, Public Health Wales, Cardiff, UK
Interests: epidemiology; public health

Special Issue Information

Dear Colleagues,

Ambient particulate matter PM2.5 is defined as particles whose aerodynamic diameter is 2.5µm or less. The sources of PM2.5 particulate pollution include industry, transport, natural, soil dust, and sea spray, to list a few. Particle size, shape, density, chemical composition, and biological and physical properties have been identified as key PM2.5 characteristics in climate, environment, and health studies. A few studies have reported on the effects of PM2.5 particulate pollution on climate change, global warming, reduction in visibility, changes in earth radiation balance, and cloud formation.

There is epidemiological evidence that human exposure to PM2.5 particulate pollution increases mortality and morbidity from cardiovascular and respiratory disease. Recent studies have demonstrated that long-term exposure to particulate air pollution, and especially PM2.5, is associated with dementia and type 2 diabetes mellitus, and a probable risk factor for the weight status of children and adolescents. Short-term and long-term PM2.5 particulate exposure has been identified as an important risk factor for COVID-19.

However, there is limited research in developing countries on PM2.5 particulate pollution; thus, we would like to receive papers on the subject from developing countries. Papers on detection methods, sample collection, and analysis related to PM2.5 are welcome. We would like to receive papers on the health effects of PM2.5 particulate pollution, including large-scale studies on PM2.5 exposure.

Prof. Dr. George Karani
Prof. Dr. Jo Darkwa
Prof. Dr. Daniel Thomas
Guest Editors

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Keywords

  • PM2.5
  • health effects
  • climate change
  • epidemiology

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Published Papers (1 paper)

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Research

19 pages, 3942 KiB  
Article
Temporal Variability of Particulate Matter and Black Carbon Concentrations over Greater Cairo and Its Atmospheric Drivers
by W. Dawoud, Ahmed M. El Kenawy, M. M. Abdel Wahab and A. H. Oraby
Climate 2023, 11(7), 133; https://doi.org/10.3390/cli11070133 - 24 Jun 2023
Cited by 1 | Viewed by 2184
Abstract
This study examines the seasonal and annual variability of black carbon (BC) and particular matter (PM1, 2.5, and 10) over Greater Cairo (Egypt) from 2003 to 2020. Data on PM and BC concentrations were gathered from the European Center for Medium-Range Weather Forecasts [...] Read more.
This study examines the seasonal and annual variability of black carbon (BC) and particular matter (PM1, 2.5, and 10) over Greater Cairo (Egypt) from 2003 to 2020. Data on PM and BC concentrations were gathered from the European Center for Medium-Range Weather Forecasts (ECWMF) reanalysis dataset. The Observed data from Abbasiya Station were employed to verify the accuracy of the reanalysis data, and a good agreement on both seasonal and annual scales was suggested. The results demonstrate that the highest concentrations of PM and BC were generally witnessed during wintertime, while the lowest was observed in summer. Trend analysis showed that, apart from fall, a significant increase (p < 0.05) in PM levels was evident in all seasons from 2003 to 2020. Contrarily, BC concentrations exhibited a statistically significant decline from 2003 to 2020. Moreover, BC concentrations correlated negatively with PM (1, 2.5 and 10) in all seasons and annually. However, weak and statistically non-significant (p > 0.05) correlations were found between PM and BC concentrations during wintertime. Additionally, this study looked at the atmospheric configurations corresponding to the most anomalous positive and negative phases of air pollution concentrations over Greater Cairo. The results indicate that the increase in PM concentrations is related to the positive anomalies observed at 250 hPa, which suggest a prevalence of stable atmospheric conditions, particularly during winter. Overall, our findings can serve as a foundation for improved urban planning and more effective strategies to lessen the negative effects of air quality in the largest megacity in Africa and the Middle East. Full article
(This article belongs to the Special Issue Fine Particulate Matter (PM2.5) in a Changing Climate)
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