IASI portal

Atmospheric composition data products

Welcome to the IASI Portal!

The IASI Portal provides scientists with free and open access to atmospheric composition Level 2 data products retrieved from the IASI/Metop observations along with quicklook images for several species:

  1. Level 2 data products
    CO, O3, HCOOH, NH3, δD, SO2, DUST-AOD, CH4 & CLOUD
  2. Quicklook images
    Daily and monthly maps can be viewed on the global and continental scale

Highlights

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Smallest 2019 ozone hole ever recorded by IASI over Antarctica

While sudden stratospheric warming (SSW) events are more common in the Northern Hemisphere, Safieddine et al. (2020) investigated the rare SSW event in the Southern Hemisphere that occurred in 2019 […]

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Contribution of ammonia to the formation of fine particulate matter over Paris

The Paris megacity faces frequent fine particulate matter (PM2.5) pollution episodes in spring. At this period of the year, large numbers of the particles consist of ammonium sulfate and nitrate […]

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Spaceborne Measurements of Formic and Acetic Acid: A Global View of the Regional Sources

Formic (HCOOH) and acetic (CH3COOH) acids are the most abundant carboxylic acids in the Earth’s atmosphere and contribute to the acidity of rainwater and cloud. Current knowledge is however unable […]

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