All canaries

The Signals

The Quantum Qanary

“How close are we to Q-Day?”

2029Q-Day midpoint +/-1

Q-Day midpoint remains about 3 years out on the current trajectory.

Estimated window 2028–2030

Progress toward Q-Day

Factoring
40%
Logical Qubits
55%
Divincenzo
100%

How it's measured

A weighted estimate of quantum progress toward breaking current cryptography — factoring records, logical-qubit counts, published roadmaps, and error-correction milestones. 'Q-Day' is the point at which RSA and ECC become vulnerable.

View the open-source dashboardSource & data on GitHubSource observation: 2026-09-21. Page refreshes do not imply new observations.