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Chemical equator
Introduction References & Edit History Quick Facts & Related Topics
Images & Videos
Two world maps showing the average positions of Earth's chemical equator for March, April, and May (top map) and for September, October, and November (bottom map), based on data from 2015 to 2019. Each map displays the chemical equator's northern boundary in blue and southern boundary in orange, with shaded areas between the lines, indicating seasonal shifts near the geographic equator across oceans and continents. Continents and major latitude lines such as the Tropics of Cancer and Capricorn a
World map of aerosol transport, Aug 1–Sep 14, 2024: Sahara dust (pink), wildfire smoke (orange/red), sea salt (blue), sulfates (green).

Chemical equator: References & Edit History

Article Contributors

Primary Contributors

  • John P. Rafferty
    John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences, covering climatology, geology, zoology, and other topics that relate to the natural world.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Article title updated for style. Nov 10, 2026
Added video. Aug 28, 2025
New article added. Feb 05, 2024
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