IGAC | Welcome

The International Global Atmospheric Chemistry (IGAC) Project is an open grass-roots community driven network that seeks to advance atmospheric chemistry towards a sustainable world. Join our mailing list, come to our conferences, join or propose an activity or working group, check out the early career page and get involved!

Tropospheric Ozone Assessment Report, Phase III

TOAR-III Quick Start
Online
Monday, 2 November 2026, from 12:00 to 13:00 UTC.

Registration is required, register at link below.
We look forward to your participation in TOAR-III!

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Elementa IGAC 35th Anniversary Special Feature

Check out IGAC's 35th anniversary special feature in Elementa!

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2027 Online ECR Conference Call for Volunteers

Help plan and shape the 2027 ECR virtual conference!

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Activities

Advancing Knowledge, Fostering Community, Building Capacity, Engaging Society

Working Groups

Advancing Knowledge, Fostering Community, Building Capacity, Engaging Society

Conferences

Advancing Knowledge, Fostering Community

New Publications

On the status of atmospheric chemistry in Latin America and the Caribbean: Observations and modeling

Journal Article

Tropospheric ozone assessment report: Missions, developments, and outlook

Journal Article

A pivotal role for air pollution during rapid Arctic change.

Journal Article

Improved determination of atmospheric trace gas emissions through observation-based analysis techniques: The AMIGO global initiative

Journal Article

Upcoming Events

TOAR-III Quick Start Online | 2 November 2026

November 2, 2026