Cosmic radiation on flights from San Francisco (SFO)

San Francisco International Airport, San Francisco, United States. ICAO KSFO, at 37.62°, -122.37°. FlightDose publishes 3 routes from here and 3 to here, each direction on its own page.

Of the 3 published routes from SFO, the flight to Los Angeles (SFO → LAX) receives the least, about 1.69 µSv for a standard flight, and the flight to Singapore (SFO → SIN) the most, about 42.4 µSv. A route's dose depends mostly on its hours in the air and how far it runs from the equator (why latitude matters).

Updated

Routes from SFO

Routes to SFO

Standard flight: 35,000 ft, estimated time in the air, solar conditions of August 2026; CARI-7.

SFOJFKLAXSIN
Routes from SFO, shaded by modelled dose rate. Select a route to open its page.

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