{"meta":{"dataMonth":"2026-09","source":{"traffic":"traffic.cv panel estimates, month 2026-09, 12-month history","companies":"yc-oss API mirror of the public YC directory, fetched 2026-10-22","press_and_founders":"YC public company pages via YC Mode, crawled 2026-07","brand_search":"DawnTrend brand-search collection (Google monthly search volume for the company name, bucketed), Sep 2025 to Aug 2026, collected 2026-09-30","logos":"YC public company logos"},"method":"attention minutes = monthly visits x average visit seconds / 60. mindshare = a company's attention minutes / sum over the index. change3 = visits in 2026-09 vs 2026-06. Visits are rounded to 3 significant figures."},"company":{"visitsAligned":null,"slug":"airthium","name":"Airthium","domain":"airthium.com","batch":"Summer 2017","year":2017,"status":"Active","industry":"Industrials","category":"Climate","tags":["Energy Storage","Hard Tech","Hardware","Climate","Energy"],"stage":"Early","teamSize":18,"isHiring":false,"location":"Paris, Île-de-France, France","oneLiner":"Decarbonized heat and power cheaper than fossil fuels","ycUrl":"https://www.ycombinator.com/companies/airthium","logo":"/logos/airthium.png","visits":5600,"last3":[799,2460,5600],"jun":1380,"change3":null,"changeMonth":null,"avgVisitSec":382,"bounce":61.5,"pagesPerVisit":2.26,"globalRank":2899377,"attentionMin":35700,"history":[{"m":"2025-10","v":0},{"m":"2025-11","v":0},{"m":"2025-12","v":0},{"m":"2026-01","v":312},{"m":"2026-02","v":58},{"m":"2026-03","v":0},{"m":"2026-04","v":267},{"m":"2026-05","v":345},{"m":"2026-06","v":1380},{"m":"2026-07","v":799},{"m":"2026-08","v":2460},{"m":"2026-09","v":5600}],"keywords":[{"name":"airthium","volume":350,"cpc":0}],"founders":[],"news":[],"rank":1196,"mindshare":0.00011,"industryRank":31,"industryRankOf":114,"categoryRank":3,"categoryRankOf":13,"batchRank":20,"batchRankOf":34,"percentile":73,"industryMedianVisitSec":50,"cautions":[{"k":"small","t":"Small sample","d":"Under 50,000 visits a month: panel estimates are noisy at this size."}],"brandedShare":100,"lens":["Ranks #31 of 114 in Industrials, ahead of 73% of its peers.","People stay 6:22 a visit, 7.6x the Industrials median of 0:50. Strong engagement.","Too small or too new for a reliable 3 month trend (needs 50K visits in both June and September).","Holds 0.00011% of all attention minutes in the index.","About 100% of its tracked search volume is its own name: it depends on people who already know it.","Its name was searched about 410 times a month on Google (Jun to Aug 2026), down 2.4% on Oct to Dec 2025."],"search":{"kw":"airthium","vol":410,"change":-2.4,"series":[590,390,480,390,390,320,480,320,320,320,320,590]},"peers":["arc-prize-foundation","buypower","tractian","westgate","picktrace"],"industrySeries":[100,98.6,117.9,119.1,108.2,113.8,120.2,113.6,111.9,128.9,126.8,143.8]}}