Weather, natural hazards and air quality

Current and forecast weather, historical weather, tides, natural hazards and air measurements.

How an AI agent should use this page

Ground rule: Navigate with HTML GET links to keep explanations and relationships. Use the page's JSON alternative only when concrete values must be extracted, compared or computed.

How to choose a source within Weather, natural hazards and air quality

Open the source that matches the intent of the question first. Sources can overlap but differ in authority and freshness.