A&O SCI M203AIntroduction to Atmospheric Chemistry
Atmospheric and Oceanic Sciences · 4 units · Graduate courses (200-299)
(Same as Civil Engineering M262A.) Requisite for undergraduates: Chemistry 20B. Principles of chemical kinetics, thermochemistry, spectroscopy, and photochemistry; chemical composition and history of Earth’s atmosphere; biogeochemical cycles of key atmospheric constituents; basic photochemistry of troposphere and stratosphere, upper atmosphere chemical processes; air pollution; chemistry and climate.
S/U or letter grading.
When it runs
- Winter 2026
- Fall 2026
- Winter 2027
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
UCLA lists no requisites for this course.
Requires
Everything that has to come before this course, not just the courses named in the requisite above.
Nothing — this is an entry point.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
A&O SCI M203A
- A&O SCI 225Advanced Topics in Aerosol Chemistry and Physics
- A&O SCI 230AAtmospheric Chemistry I
- A&O SCI 230BAtmospheric Chemistry II
- A&O SCI 232Chemical Transport Modeling
4 courses list this as a requisite. The whole downstream is here — 6 courses over 2 levels. Every course here opens its own tree.