| Issue |
E3S Web Conf.
Volume 407, 2023
Actual Problems of Ecology and Environmental Management (APEEM 2023)
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 5 | |
| Section | Environmental Geosciences | |
| DOI | https://doi.org/10.1051/e3sconf/202340702003 | |
| Published online | 02 August 2023 | |
Ambient air pollution level in the east African region based on satellite remote sensing of NO2, CO, and Aerosol optical depth
Peoples’ Friendship University of Russia, Institute of Environmental Engineering, Moscow, Russia
* Corresponding author: vbaharane@gmail.com
This study used ten years (2013-2022) of satellite observations to assess the levels of nitrogen dioxide (NO2), carbon monoxide (CO), and aerosol optical depth (AOD) over Eastern Africa. NO2 vertical column density (VCD) varied between 3.17 × 1014 and 4.70 × 1014 molecules cm-2 with a seasonal variability reaching the peak in December every year. CO mixing ratio oscillated between 95.256 ± 15.480 ppbv and 76.011 ± 5.609 ppbv and demonstrated a bimodal seasonal variability. The level of AOD fluctuated between 0.126 ± 0.070 and 0.250 ± 0.165. Generally, the concentrations of these pollutants are comparable to the global levels, though the AOD increasing trend is an indicator of the deterioration of air quality in the east African region.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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