🌍 Live Data Lab · no login
Global Signal Watch
Switch between recent earthquakes and local air quality in one fast dashboard. Built for travelers, runners and curious users who need quick public signals without installing another app.
—recent earthquakes loaded
—largest magnitude in feed
—local PM2.5 signal
—UV index now
Recent earthquake map
USGS public GeoJSON feed, projected onto a lightweight browser map.
Tip: click a marker or list item to open details and USGS source.
Air quality & UV pocket check
Use GPS or search a city to check PM2.5, PM10, ozone and UV index.
🌫️
—Choose a location to load PM2.5.🫧
—PM10 will appear here.☀️
—UV index will appear here.🧪
—Ozone will appear here.Sources and safety notes
Earthquake data is loaded from USGS public real-time GeoJSON feeds. Air quality and UV data is loaded from Open-Meteo Air Quality endpoints. This page is an informational viewer, not an official disaster alert, health diagnosis, aviation/weather warning or emergency service. For local emergency instructions, follow your local authorities and official agencies.
No API key in browserGPS not storedPublic data viewer