Highest-energy cosmic ray detected
The current highest-energy cosmic ray detected record is 320 EeV, held by Oh-My-God particle, set on October 15, 1991. Last checked October 14, 2026.
320
EeV
Oh-My-God particle
- Holder
- Oh-My-God particle
- Record
- 320 EeV
- Exact figure
- 320 EeV (3.2 × 10²⁰ eV)
- Location
- Dugway Proving Ground, Utah, United States
- Date set
- October 15, 1991
- Recognized by
- Fly's Eye cosmic-ray experiment, University of Utah
- Last checked
- October 14, 2026
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