{"city":"Tehran","region":"IR-23","country":"IR","slug":"tehran","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"OIIE","name":"Imam Khomeini International Airport","subCat1HoursPerYear":7,"forecast":"climatology"},{"icao":"OIII","name":"Mehrabad International Airport","subCat1HoursPerYear":7,"forecast":"climatology"}],"primaryStation":"OIIE","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average)."},"climatology":{"subCat1HoursPerYear":7,"fogSeasonPeakMonths":["December","January"],"medianEventHours":2,"season":{"summary":"Fog season runs December through January, peaking in December; fog is mostly a 1 AM\u20133 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","December"],"timeOfDay":"1 AM\u20133 AM","typicallyClearsBy":"11 AM"}},"links":{"page":"https://fogatlas.org/fog/city/tehran/","stationPages":["https://fogatlas.org/fog/oiie/","https://fogatlas.org/fog/oiii/"],"verification":"https://fogatlas.org/fog/scorecard/"}}