{"HAPI":"3.3.1","status":{"code":1200,"message":"OK"},"startDate":"1957-07-01T00:29:30Z","stopDate":"1988-01-01T00:29:30Z","cadence":"PT1H","timeStampLocation":"center","modificationDate":"2026-07-10T22:39:19Z","title":"AE Indices (Best Available, 1-hour)","description":"Auroral electrojet indices AE, AL, AU, AO (1-hour): a measure of global electrojet activity in the auroral zone, derived from H-component variations at observatories along the northern-hemisphere auroral zone. Provided by WDC for Geomagnetism, Kyoto. Best Available version: highest processing level per period (currently Definitive only). Hourly means; timestamps are bin centers (timeStampLocation=center, HH:29:30).","resourceID":"doi:10.17593/15031-54800","datasetCitation":"World Data Center for Geomagnetism, Kyoto, M. Nose, T. Iyemori, M. Sugiura, T. Kamei, A. Matsuoka, S. Imajo, and T. Kotani (2015), Geomagnetic AE index, doi:10.17593/15031-54800","licenseURL":"https://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html","parameters":[{"name":"Time","type":"isotime","units":"UTC","fill":null,"length":24,"label":"Time"},{"name":"aeValue","type":"integer","units":"nT","fill":"99999","label":"AE"},{"name":"alValue","type":"integer","units":"nT","fill":"99999","label":"AL"},{"name":"auValue","type":"integer","units":"nT","fill":"99999","label":"AU"},{"name":"aoValue","type":"integer","units":"nT","fill":"99999","label":"AO"},{"name":"versionCode","type":"integer","units":null,"fill":null,"label":"Version Code","description":"Processing status code Mm (M: 0=real-time,1=provisional,2=final; m=minor, the recalculation generation within the same major: 0=first conversion, 1 and above=reconverted after the source changed)."}]}