NH.sub.3 spatiotemporal variability over Paris, Mexico City, and Toronto, and its link to PM.sub.2.5 during pollution events

Megacities can experience high levels of fine particulate matter (PM.sub.2.5) pollution linked to ammonia (NH.sub.3) mainly emitted from agricultural activities. Here, we investigate such pollution in the cities of Paris, Mexico, and Toronto, each of which have distinct emission sources, agricultura...

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Bibliographic Details
Published inAtmospheric chemistry and physics Vol. 22; no. 19; pp. 12907 - 25813
Main Authors Viatte, Camille, Abeed, Rimal, Yamanouchi, Shoma, Porter, William C, Safieddine, Sarah, Van Damme, Martin, Clarisse, Lieven, Herrera, Beatriz, Grutter, Michel, Coheur, Pierre-Francois, Strong, Kimberly, Clerbaux, Cathy
Format Journal Article
LanguageEnglish
Published Copernicus GmbH 07.10.2022
Subjects
Ammonia
Laws, regulations and rules
Pollution
Remote sensing
Mexico
Ontario
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Summary:Megacities can experience high levels of fine particulate matter (PM.sub.2.5) pollution linked to ammonia (NH.sub.3) mainly emitted from agricultural activities. Here, we investigate such pollution in the cities of Paris, Mexico, and Toronto, each of which have distinct emission sources, agricultural regulations, and topography. Ten years of measurements from the infrared atmospheric sounding interferometer (IASI) are used to assess the spatiotemporal NH.sub.3 variability over and around the three cities.
ISSN:1680-7316