Global Radiation Monitoring

Real-time readings from crowd-sourced Geiger counters worldwide. Open data. Open API.

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Stations

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Active (24h)

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Total Readings

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Global Avg CPM

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24h Peak CPM

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Countries

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Readings (1h)

Station Map

Global Radiation Trend

All Stations

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Status	Station	Location	Device	CPM	µSv/h	24h Avg	Readings	Last Seen
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Public API

All data is freely available via a read-only REST API. No authentication required. CORS enabled for all origins.

Base URL: https://radwatch.prodinfra.com/api/v1

Endpoints

GET /api/v1/stations — All public stations with current readings GET /api/v1/stations?country=US — Filter by country code GET /api/v1/stations?online=true — Only active stations (last hour) GET /api/v1/stations/:id — Single station detail GET /api/v1/stations/:id/readings — Raw readings (7 days, max 2000) GET /api/v1/stations/:id/hourly — Hourly aggregates (up to 90 days) GET /api/v1/stations/:id/daily — Daily aggregates (up to 365 days) GET /api/v1/stats — Global network statistics GET /api/v1/trend?days=7 — Global hourly trend GET /api/v1/countries — Station counts by country

Example

curl https://radwatch.prodinfra.com/api/v1/stats curl https://radwatch.prodinfra.com/api/v1/stations?online=true curl https://radwatch.prodinfra.com/api/v1/trend?days=30

All endpoints are read-only (GET only). No POST, PUT, or DELETE routes are available on this public API. To contribute data, set up a Geiger counter at radcounter.prodinfra.com.