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Atmospheric CO₂ at Mauna Loa (Keeling Curve)
Monthly mean carbon dioxide concentration in the atmosphere measured at Mauna Loa Observatory, Hawaii, since March 1958, in parts per million. One row per month.
College football national champions (major selectors), 1869–present
Every team named national champion of top-level US college football (today's NCAA Division I FBS) by an NCAA-designated major selector, season by season since 1869. One row per season and champion, with record, head coach and the selectors that chose it.
Countries of the world: key economic and social indicators
Every country with its region, income group and capital, plus the latest available value and year of 20 World Bank indicators from population and GDP to life expectancy, CO₂ per person and inequality. One row per country.
Countries of the world
Every present-day sovereign state with its ISO codes, capital, continent, area, population, official languages, currency, head of state and government, founding date, calling code, internet domain and flag. One row per country.
Earthquakes of magnitude 2.5+ in the past 30 days
Every earthquake of magnitude 2.5 or greater recorded worldwide by the U.S. Geological Survey in the last 30 days. One row per earthquake, with time, location, depth, magnitude and USGS alert information.
Confirmed exoplanets
Every confirmed planet outside the Solar System in the NASA Exoplanet Archive, with its host star, discovery details, orbit, size, mass and temperature. One row per planet.
Formula One drivers: career statistics
Every driver who has entered a Formula One World Championship race since 1950, with nationality, seasons, entries, starts, pole positions, wins, podiums, fastest laps, points and world titles. One row per driver.
Formula One World Championship Grand Prix winners
Every Formula One World Championship race since the 1950 British Grand Prix, with its date, circuit, pole-sitter, fastest lap, winning driver and winning constructor. One row per race.
Formula One World Drivers' Champions
Every Formula One World Drivers' Champion since the first championship in 1950, with the champion's car, engine and tyres and their wins, poles, podiums, fastest laps, points and winning margin that season. One row per season.
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Every person, place, company and thing has a page — with sourced facts, charts and downloads.
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Q1299Every fact is one request away.
Download any dataset in nine formats. Query rows with filters over a clean REST API. Or connect your AI assistant over MCP and let it look things up itself — with sources attached.
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curl "https://aidb.si/api/v1/datasets/tallest-buildings/rows\
?sort=-height_m&limit=5&format=csv"Know something we don't? Add it.
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