About us
Nanjing SunnyMeteo Technology (小晴天科技) delivers high-precision global weather, climate, and environmental data. Guided by “Weather you can count on”, we package multi-source fusion forecasts and AI capabilities as APIs, MCP, and SDKs for developers, enterprises, and AI applications. We aim to be a trusted partner for meteorological and environmental intelligence—bringing weather science from specialized domains into everyday products and decisions that support carbon neutrality, smart cities, and sustainable development in the AI era.Products
See API usage for access details, or open the API Explorer.
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Documentation map
Jump to top-level sections:API usage
Quickstart, auth & rate limits, status codes; MCP / SDK will land here too
Weather API
Conditions, hourly/daily forecasts, life index, and alerts
Air quality
AQI conditions and hourly forecast
Station API
Irradiance conditions, hourly and 15-minute forecasts
Disaster API
Alert entry points, earthquakes, and typhoons
Other products
Historical weather, astronomy, ocean, climate (coming soon)
Data dictionary
Weather codes, wind scale, city codes, and element notes