Twice-daily modeled surface PM2.5 analysis grid for operational context.
Follow what is changing
11 live services keep selected signals current. Inspect how each feed is collected and where to find its historical dataset.
Recent global earthquakes from the USGS Earthquake Hazards Program.
Current tropical-cyclone advisories, retained tracks, and source-issued forecasts.
NOAA OVATION probability grid for current auroral visibility.
Latest moored-buoy and coastal-station observations for ocean conditions.
Current NOAA space-weather alerts, watches, and warnings.
Prepared NOAA OISST sea-surface-temperature and anomaly grid.
Recent global tsunami events and source context from NOAA NCEI.
Current National Weather Service alerts, including warning polygons and advisory text.
Recent volcanic activity from the Smithsonian Global Volcanism Program.
Current active wildfire incidents and available perimeters across the United States and Canada.