Radio Wave Propagation Today
HF propagation can be divided into a dayily average global conditions and past 15 minutes regional conditions.
Daily average
Here's a banner showing the global conditions (courtesy of Paul L Herrman, N0NBH):
The recent 15 minutes regional propagation conditions
The MUF 3000 km map designed by K2CG shows real-time and near-future regional conditions.
Read more about Radio Wave Propagation Today.
The project "Understanding HF Propagation" focuses on near-real-time indicators and explains what they mean.