{"city":"Haiphong (Hai An)","region":"VN-RRD","country":"VN","slug":"haiphong-hai-an","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"VVCI","name":"Cat Bi International Airport","subCat1HoursPerYear":4,"forecast":"climatology"}],"primaryStation":"VVCI","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":4,"fogSeasonPeakMonths":["February","March"],"medianEventHours":1,"season":{"summary":"Fog season is February, peaking in February; fog is mostly a 1 AM\u20135 AM phenomenon; typically thinning out by 6 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["February"],"timeOfDay":"1 AM\u20135 AM","typicallyClearsBy":"6 AM"}},"links":{"page":"https://fogatlas.org/fog/city/haiphong-hai-an/","stationPages":["https://fogatlas.org/fog/vvci/"],"verification":"https://fogatlas.org/fog/scorecard/"}}