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 ""; } ?>
NASA Logo, National Aeronautics and Space Administration

MEaSUREs SO2 source emission catalogue (data)

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 12 - 18 Sep 2018

Colombia - Ruiz: OMI  
Costa Rica - Turrialba: OMI  
DR Congo - Nyamuragira & Nyiragongo: OMI  
Halmahera - Dukono: OMI  
Italy - Etna: OMI  
Java - Krakatau & Slamet: OMI  
Mexico - Popocatepetl: OMI  
Peru - Sabancaya: OMI  
PNG - Ulawun: OMI  
Reunion Island - Piton de la Fournaise: OMI  
Sumatra - Krakatau: OMI  
Vanuatu - Ambae: OMI  

Summary of Preliminary Tonnage estimates

Past Weeks Reports


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


Long-term volcanic SO2 emissions.