14) { $gdate = $gdate2; } if($ghr < 3) { $gdate = "$yester"."12"; } echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; } ?> Global Sulfur Dioxide Monitoring Home Page "; echo ""; } ?>
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MEaSUREs SO2 source emission catalogue (data)

OMI Annual SO2 emissions summary by country.

CYAN means Oil and Gas, RED means Power Plant, GREEN means Smelter, and ORANGE is a Volcano.

TOMS images (1979-2005) | AIRS images (2003-present) | OMI images (2004-present) | OMPS images (May 2012-present)

Global monthly OMI Boundary Layer SO2 maps

Global monthly OMPS Boundary Layer SO2 maps

L2 OMPS SO2 Data

Active Volcanism

Earthquakes, eruptions & emissions from the Global Volcanism Program (GVP) at the Smithsonian Institution.

Each week, Smithsonian's GVP publishes a report of new volcanic activity.

The SO2 data collected by AURA/OMI and Suomi NPP/OMPS for the new activity this week are shown below.

  Week of 19 - 25 May 2021

Central America - Pacaya: OMI   OMPS   TROPOMI
Colombia - Ruiz & Ecuador - Sangay: OMI   OMPS   TROPOMI
DR Congo - Nyiragongo: OMI   OMPS   TROPOMI
Halmahera - Dukono: OMI   OMPS   TROPOMI
Iceland - Fagradalsfjall: OMI   OMPS   TROPOMI
Italy - Etna: OMI   OMPS   TROPOMI
Java - Krakatau, Raung & Tengger Caldera: OMI   OMPS   TROPOMI
Mexico - El Chichon & Popocatepetl: OMI   OMPS   TROPOMI
Papau New Guinea - Bagana, Langila & Manam: OMI   OMPS   TROPOMI
Peru - Sabancaya: OMI   OMPS   TROPOMI
Vanuatu - Yasur: OMI   OMPS   TROPOMI

Summary of Preliminary Tonnage estimates

Past Weeks Reports


Time series plots for 35 regions of the world. Updated daily.


Long-term volcanic SO2 emissions.