Near real-time volcanic cloud data

Sulfur dioxide (SO2) and aerosols

OMI (UV) from NOAA:

OMI and OMPS (UV) Very Fast Delivery (VFD) volcanic products from the Finnish Meteorological Institute (FMI): (available within 15 minutes of the OMI overpass for the North Atlantic)

OMPS (UV) Direct Broadcast volcanic products (SO2 and UV Aerosol Index) for the North Pacific region from the Geographic Information Network of Alaska (GINA): (Select Sites -> GINA; Suomi NPP; Instrument -> OMPS; Product -> Total Column SO2 (TRM) or UV Aerosol Index)

OMPS (UV) Aerosol and SO2 data from the NASA Short-term Prediction Research and Transition Center (SPoRT) system:


GOME-2 (UV) from DLR:

IASI (IR) from ULB:

IASI (IR) from the Earth Observation Data Group, Department of Physics, University of Oxford (UK):

IASI (IR) SO2 and ash alerts from NOAA:

High-resolution Absorbing Aerosol Index (AAI) from GOME-2:

A-Train data

MODIS Rapid Response (NASA GSFC):

CALIPSO lidar expedited browse images:

CloudSat Quicklook images (Colorado State):

MODIS Direct Broadcast products from Sodankylä (Finland):

Other useful sites

Operational SO2 data from OMI (NASA GSFC):

NOAA/CIMSS IR Satellite Volcano Monitoring:

NASA Worldview:

NOAA WeatherView (global winds, pressure etc.):

NOAA Global Data Explorer (AVHRR, Suomi NPP, etc.):

Geostationary satellite image browser (SSEC - Univ Wisconsin Madison):

GOES East and West (NOAA/Colorado State Univ):

USGS VolcView (AVHRR, MODIS, GOES, and MTSAT for the North Pacific):

US Naval Research Laboratory (NRL) NexSat Volcanoes website:

Cloud-Aerosol Transport System (CATS) lidar aboard the International Space Station:

Latest volcanic ash advisories from all VAACs:

Washington VAAC:

Real-time NEXRAD weather radar (USA only):

Global radiosonde soundings (Univ Wyoming):

NASA Goddard Modeling and Assimilation Office (GMAO) Wx Forecasts:

MODIS Thermal IR hotspots (MODVOLC - Univ Hawaii):

MIROVA Near real-time Volcanic Hotspot Detection System (Univ. Turin/Univ. Florence)

Smithsonian Institution Global Volcanism Program and USGS weekly volcanic activity report: