{"changes":[{"companyHref":"/c/atmo-ai","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/atmo","domain":"atmo.ai","fact":"provenance:existence","name":"ATMO, INC.","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/atmo"},"old":{"publisher":"atmo.ai","status":"self-reported","url":"https://atmo.ai"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"atmo-ai","status":"sourced","url":"https://whoraisedwhat.com/c/atmo-ai"}],"country":"US","description":"Deep-learning weather forecasting with claims of up to 40,000x speedups and 50% accuracy gains over conventional NWP at 1km resolution. Sold to defense and government, including the US Air Force, US Navy, and the Philippines national government. Replaces legacy physics-only forecasting with neural emulators.","domain":"atmo.ai","employees":null,"founded":2020,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"ai","investors":[],"lat":37.787936,"lng":-122.40752,"location":"San Francisco, California","name":"ATMO, INC.","rounds":[{"amountQuarantined":false,"amountUsd":2947999,"currency":"USD","date":"2025-01-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"sbir","retrievedAt":"2026-05-02","status":"attributed","url":null},"status":"attributed","type":"grant","url":null}],"slug":"atmo-ai","sources":[{"fact":"round","publisher":"sbir","retrievedAt":"2026-05-02","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/atmo"},{"fact":"description","publisher":"atmo.ai","retrievedAt":"2026-05-02","status":"self-reported","url":"https://atmo.ai"}],"stage":null,"techStack":["Cloudflare","LottieFiles 5.12.2","Google Font API","Google Hosted Libraries","jsDelivr","jquery 3.5.1","moment 0"],"totalRaisedUsd":2947999,"updatedAt":"2026-05-02"}