新闻文章历史 与 新闻空气污染指数

Our news archive contains articles dating back years, providing extensive historical coverage for research, trend analysis, and backtesting. The exact date range varies by source and category. Premium plans offer deeper historical access. Query with date filters to explore available historical data.

Yes, use published_at.min and published_at.max parameters to query specific date ranges. Search for news from a particular day, week, month, or year. Combine date filters with keywords, categories, and sources for precise historical research.

Export historical data with sentiment scores to track how coverage evolved over time. Analyze topic frequency, sentiment shifts, and source diversity across periods. Build time-series visualizations showing how news narratives developed around events, companies, or industries.

Absolutely. Our labeled historical data includes sentiment tags, categories, topics, and entity extractions—perfect for training NLP models. Build classification systems, sentiment analyzers, or named entity recognition models using our curated historical news corpus.

Yes, track any company's news coverage over time. Analyze sentiment trends, coverage volume, competitive mentions, and executive news. Build historical timelines of product launches, acquisitions, or crises. Invaluable for due diligence, competitive intelligence, and corporate communications.

Use pagination to iterate through large historical result sets. Export in batches by date range for manageable file sizes. Our API supports efficient bulk retrieval. For very large archives, contact us about optimized bulk data delivery options.

Yes, query historical news around specific events (elections, crises, product launches) to build comprehensive timelines. Sort chronologically and extract key dates. Our publication timestamps enable precise event reconstruction from news coverage.

We maintain historical archives across our coverage of multiple languages and countries. Archive depth varies by source and region. Major news sources have deeper archives. Query with language and country filters to explore historical availability for specific regions.