{"city":"Karaj","region":"IR-30","country":"IR","slug":"karaj","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"OIIP","name":"Payam International Airport","subCat1HoursPerYear":72,"forecast":"climatology"}],"primaryStation":"OIIP","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":72,"fogSeasonPeakMonths":["December","February"],"medianEventHours":2,"season":{"summary":"Fog season runs November through February, peaking in December; fog is mostly a 2 AM\u201310 AM phenomenon; typically thinning out by 2 PM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","November","December"],"timeOfDay":"2 AM\u201310 AM","typicallyClearsBy":"2 PM"}},"links":{"page":"https://fogatlas.org/fog/city/karaj/","stationPages":["https://fogatlas.org/fog/oiip/"],"verification":"https://fogatlas.org/fog/scorecard/"}}