Articles | Volume 21, issue 8
https://doi.org/10.5194/acp-21-6275-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-6275-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Long-term trends in air quality in major cities in the UK and India: a view from space
Karn Vohra
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
School of Physics and Astronomy, University of Leicester, Leicester,
UK
now at: Department of Geography, University of College London, London,
UK
Shannen Suckra
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
now at: National Environment & Planning Agency, Kingston, Jamaica
Louisa Kramer
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
now at: Ricardo Energy & Environment, Harwell, UK
William J. Bloss
School of Geography, Earth and Environmental Sciences, University of
Birmingham, Birmingham, UK
Ravi Sahu
Department of Civil Engineering, Indian Institute of Technology
Kanpur, Kanpur, India
Abhishek Gaur
Department of Civil Engineering, Indian Institute of Technology
Kanpur, Kanpur, India
Sachchida N. Tripathi
Department of Civil Engineering, Indian Institute of Technology
Kanpur, Kanpur, India
Martin Van Damme
Université libre de Bruxelles (ULB), Spectroscopy, Quantum
Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, Belgium
Lieven Clarisse
Université libre de Bruxelles (ULB), Spectroscopy, Quantum
Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, Belgium
Pierre-F. Coheur
Université libre de Bruxelles (ULB), Spectroscopy, Quantum
Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, Belgium
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Latest update: 20 Nov 2024
Short summary
We find satellite observations of atmospheric composition generally reproduce variability in surface air pollution, so we use their long record to estimate air quality trends in major UK and Indian cities. Our trend analysis shows that pollutants targeted with air quality policies have not declined in Delhi and Kanpur but have in London and Birmingham, with the exception of a recent and dramatic increase in reactive volatile organics in London. Unregulated ammonia has increased only in Delhi.
We find satellite observations of atmospheric composition generally reproduce variability in...
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