Sun data and propagation
Current HF propagation
TODAYS SUN DATA AND HF PROPAGATION
| Todays sun data |  Latest EIT-304 image // Sun images from NASA | |
| Flux index: | 178 | |
| Spot number: | 185 | |
| X-Ray index: | 75.2 | |
| A index: | 12 | |
| Kp index: | 2.33 | |
| Conditions 00-10MHz: | Fair |
| Conditions 10-20MHz: | Good |
| Conditions 20-30MHz: | Excellent |
| We are working on the algorithm, conditions shown here may not correlate with real conditions. The best check is always to power up your HF rig and listen on every band to be sure! | |
GRAPHICAL SUN DATA HISTORY
PROPAGATION BASED ON WSPRNET* (ALPHA)
| Probability of QSO on 13cm between EU and EU is 69% |  |
| Probability of QSO on 23cm between NA and NA is 6% | |
| Probability of QSO on 23cm between OC and OC is 56% | |
| Probability of QSO on 70cm between AS and AS is 79% | |
| Probability of QSO on 2m between NA and NA is 100% | |
| Probability of QSO on 2m between AS and AS is 75% | |
| Probability of QSO on 6m between OC and OC is 24% | |
| Probability of QSO on 10m between NA and OC is 5% | |
| Probability of QSO on 10m between EU and SA is 15% | |
| Probability of QSO on 10m between EU and NA is 7% | |
| Probability of QSO on 10m between SA and EU is 22% | |
| Probability of QSO on 10m between SA and AF is 43% | |
| Probability of QSO on 10m between AF and NA is 89% | |
| Probability of QSO on 10m between NA and SA is 5% | |
| Probability of QSO on 10m between OC and NA is 15% | |
| Probability of QSO on 10m between EU and AF is 66% | |
| Probability of QSO on 10m between AS and SA is 52% | |
| Probability of QSO on 10m between AS and AF is 59% | |
| Probability of QSO on 10m between NA and AF is 61% | |
| Probability of QSO on 12m between AF and NA is 20% | |
| Probability of QSO on 12m between AF and EU is 27% | |
| Probability of QSO on 12m between NA and AS is 43% | |
| Probability of QSO on 12m between OC and NA is 27% | |
| Probability of QSO on 12m between EU and AS is 15% | |
| Probability of QSO on 12m between SA and EU is 20% | |
| Probability of QSO on 12m between SA and AF is 17% | |
| Probability of QSO on 12m between NA and EU is 19% | |
| Probability of QSO on 12m between EU and AF is 54% | |
| Probability of QSO on 12m between NA and AF is 30% | |
| Probability of QSO on 15m between SA and NA is 8% | |
| Probability of QSO on 15m between EU and AS is 26% | |
| Probability of QSO on 15m between OC and AF is 17% | |
| Probability of QSO on 15m between SA and AF is 41% | |
| Probability of QSO on 15m between SA and EU is 10% | |
| Probability of QSO on 15m between NA and EU is 15% | |
| Probability of QSO on 15m between AF and SA is 38% | |
| Probability of QSO on 15m between AF and NA is 24% | |
| Probability of QSO on 15m between EU and SA is 16% | |
| Probability of QSO on 15m between EU and OC is 24% | |
| Probability of QSO on 15m between OC and EU is 9% | |
| Probability of QSO on 15m between OC and NA is 20% | |
| Probability of QSO on 15m between AS and AF is 13% | |
| Probability of QSO on 15m between EU and NA is 5% | |
| Probability of QSO on 15m between EU and AF is 42% | |
| Probability of QSO on 15m between AS and OC is 9% | |
| Probability of QSO on 15m between NA and SA is 20% | |
| Probability of QSO on 15m between AS and NA is 22% | |
| Probability of QSO on 15m between NA and AF is 42% | |
| Probability of QSO on 17m between SA and EU is 18% | |
| Probability of QSO on 17m between AF and OC is 10% | |
| Probability of QSO on 17m between OC and NA is 41% | |
| Probability of QSO on 17m between AS and OC is 3% | |
| Probability of QSO on 17m between AF and EU is 27% | |
| Probability of QSO on 17m between OC and EU is 26% | |
| Probability of QSO on 17m between OC and AF is 89% | |
| Probability of QSO on 17m between AF and SA is 23% | |
| Probability of QSO on 17m between AF and NA is 13% | |
| Probability of QSO on 17m between NA and EU is 5% | |
| Probability of QSO on 17m between SA and AF is 75% | |
| Probability of QSO on 17m between AF and AS is 15% | |
| Probability of QSO on 17m between AS and EU is 17% | |
| Probability of QSO on 17m between SA and NA is 11% | |
| Probability of QSO on 17m between EU and NA is 1% | |
| Probability of QSO on 17m between EU and AS is 13% | |
| Probability of QSO on 17m between EU and AF is 40% | |
| Probability of QSO on 17m between EU and OC is 22% | |
| Probability of QSO on 17m between NA and AF is 42% | |
| Probability of QSO on 20m between EU and NA is 10% | |
| Probability of QSO on 20m between OC and AF is 63% | |
| Probability of QSO on 20m between AF and NA is 93% | |
| Probability of QSO on 20m between OC and NA is 58% | |
| Probability of QSO on 20m between SA and EU is 21% | |
| Probability of QSO on 20m between SA and NA is 47% | |
| Probability of QSO on 20m between AF and EU is 7% | |
| Probability of QSO on 20m between AS and NA is 7% | |
| Probability of QSO on 20m between AS and SA is 20% | |
| Probability of QSO on 20m between EU and OC is 0% | |
| Probability of QSO on 20m between NA and AF is 25% | |
| Probability of QSO on 20m between AS and OC is 8% | |
| Probability of QSO on 20m between AS and EU is 5% | |
| Probability of QSO on 20m between AS and AF is 17% | |
| Probability of QSO on 20m between EU and AF is 48% | |
| Probability of QSO on 30m between AS and AF is 23% | |
| Probability of QSO on 30m between AF and NA is 1% | |
| Probability of QSO on 30m between AS and EU is 27% | |
| Probability of QSO on 30m between OC and NA is 76% | |
| Probability of QSO on 30m between NA and AF is 20% | |
| Probability of QSO on 30m between EU and AF is 39% | |
| Probability of QSO on 40m between EU and NA is 11% | |
| Probability of QSO on 40m between AS and EU is 21% | |
| Probability of QSO on 40m between NA and AF is 15% | |
| Probability of QSO on 40m between EU and AS is 3% | |
| Probability of QSO on 40m between AS and NA is 13% | |
| Probability of QSO on 40m between AS and AF is 14% | |
| Probability of QSO on 40m between OC and EU is 100% | |
| Probability of QSO on 40m between AS and OC is 3% | |
| Probability of QSO on 40m between OC and NA is 46% | |
| Probability of QSO on 40m between AF and OC is 27% | |
| Probability of QSO on 40m between EU and AF is 45% | |
| Probability of QSO on 60m between EU and AF is 25% | |
| Probability of QSO on 80m between AS and EU is 66% | |
| Probability of QSO on 80m between EU and AF is 0% | |
| Probability of QSO on 160m between SA and EU is 58% | |
* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database
PROPAGATION BASED ON DX-CLUSTER
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HISTORICAL PROPAGATION DATA
Last 30 days of HF propagation
| 2025-03-16 12:00:00 | 0 | Fair | Normal | Excellent | |||||
| 2025-03-16 00:00:00 | 180 | 147 | 75.2 | 0 | 18 | 1.33 | Fair | Good | Good |
| 2025-03-15 12:00:00 | 180 | 147 | 75.2 | 0 | 24 | 3.67 | Fair | Good | Good |
| 2025-03-15 00:00:00 | 175 | 160 | 75.2 | 0 | 24 | 3.67 | Fair | Good | Good |
| 2025-03-14 12:00:00 | 175 | 160 | 75.2 | 0 | 42 | 3.00 | Fair | Good | Good |
| 2025-03-14 00:00:00 | 160 | 160 | 75.2 | 0 | 40 | 5.00 | Fair | Normal | Normal |
| 2025-03-13 12:00:00 | 160 | 160 | 75.2 | 0 | 32 | 4.67 | Fair | Normal | Normal |
| 2025-03-13 00:00:00 | 161 | 128 | 75.2 | 0 | 32 | 5.00 | Fair | Normal | Normal |
| 2025-03-12 12:00:00 | 161 | 128 | 75.2 | 0 | 10 | 4.00 | Fair | Good | Good |
| 2025-03-12 00:00:00 | 0 | Good | Good | Good | |||||
| 2025-03-11 12:00:00 | 149 | 74 | 75.2 | 0 | 10 | 2.67 | Good | Good | Good |
| 2025-03-11 00:00:00 | 148 | 73 | 75.2 | 0 | 10 | 2.33 | Good | Good | Good |
| 2025-03-10 12:00:00 | 148 | 73 | 75.2 | 0 | 35 | 2.67 | Normal | Normal | Normal |
| 2025-03-10 00:00:00 | 148 | 90 | 75.2 | 0 | 35 | 3.33 | Fair | Good | Good |
| 2025-03-09 12:00:00 | 148 | 90 | 75.2 | 0 | 21 | 5.67 | Fair | Good | Good |
| 2025-03-09 00:00:00 | 147 | 109 | 75.2 | 0 | 21 | 4.67 | Fair | Normal | Normal |
| 2025-03-08 12:00:00 | 147 | 109 | 75.2 | 0 | 10 | 3.33 | Normal | Excellent | Excellent |
| 2025-03-08 00:00:00 | 150 | 139 | 75.2 | 0 | 10 | 1.33 | Normal | Excellent | Excellent |
| 2025-03-07 12:00:00 | 150 | 139 | 75.2 | 0 | 7 | 3.33 | Normal | Excellent | Excellent |
| 2025-03-07 00:00:00 | 157 | 147 | 75.2 | 0 | 7 | 1.67 | Normal | Excellent | Excellent |
| 2025-03-06 12:00:00 | 157 | 147 | 75.2 | 0 | 13 | 2.00 | Fair | Good | Good |
| 2025-03-06 00:00:00 | 160 | 134 | 75.2 | 0 | 13 | 2.33 | Fair | Good | Good |
| 2025-03-05 12:00:00 | 160 | 134 | 75.2 | 0 | 11 | 2.67 | Normal | Excellent | Excellent |
| 2025-03-05 00:00:00 | 0 | Fair | Good | Good | |||||
| 2025-03-04 12:00:00 | 0 | Normal | Excellent | Excellent | |||||
| 2025-03-04 00:00:00 | 140 | 139 | 75.2 | 0 | 5 | 1.33 | Normal | Excellent | Excellent |
| 2025-03-03 12:00:00 | 140 | 139 | 75.2 | 0 | 6 | 1.67 | Normal | Excellent | Excellent |
| 2025-03-03 00:00:00 | 145 | 105 | 75.2 | 0 | 6 | 0.67 | Good | Excellent | Excellent |
| 2025-03-02 12:00:00 | 145 | 105 | 75.2 | 0 | 19 | 1.67 | Fair | Good | Good |
| 2025-03-02 00:00:00 | 155 | 104 | 75.2 | 0 | 19 | 3.00 | Fair | Good | Good |
| 2025-03-01 12:00:00 | 155 | 104 | 75.2 | 0 | 32 | 4.00 | Fair | Normal | Normal |
| 2025-03-01 00:00:00 | 170 | 129 | 75.2 | 0 | 32 | 3.00 | Fair | Good | Good |
| 2025-02-28 12:00:00 | 170 | 129 | 75.2 | 0 | 32 | 3.67 | Fair | Good | Good |
| 2025-02-28 00:00:00 | 180 | 123 | 75.2 | 0 | 32 | 4.33 | Fair | Normal | Normal |
| 2025-02-27 12:00:00 | 0 | Fair | Good | Good | |||||
| 2025-02-27 00:00:00 | 190 | 155 | 75.2 | 0 | 16 | 2.33 | Normal | Excellent | Excellent |
| 2025-02-26 12:00:00 | 190 | 155 | 75.2 | 0 | 8 | 2.67 | Good | Excellent | Excellent |
| 2025-02-26 00:00:00 | 203 | 182 | 75.2 | 0 | 8 | 3.33 | Normal | Excellent | Excellent |
| 2025-02-25 12:00:00 | 203 | 182 | 75.2 | 0 | 14 | 1.67 | Fair | Good | Excellent |
| 2025-02-25 00:00:00 | 210 | 186 | 75.2 | 0 | 14 | 2.67 | Fair | Good | Excellent |
| 2025-02-24 12:00:00 | 210 | 186 | 75.2 | 0 | 7 | 3.00 | Normal | Excellent | Excellent |
| 2025-02-24 00:00:00 | 199 | 215 | 75.2 | 0 | 7 | 3.00 | Normal | Excellent | Excellent |
| 2025-02-23 12:00:00 | 199 | 215 | 75.2 | 0 | 6 | 1.00 | Good | Excellent | Excellent |
| 2025-02-23 00:00:00 | 197 | 138 | 75.2 | 0 | 6 | 2.33 | Good | Excellent | Excellent |
| 2025-02-22 12:00:00 | 197 | 138 | 75.2 | 0 | 6 | 1.33 | Good | Excellent | Excellent |
| 2025-02-22 00:00:00 | 184 | 123 | 75.2 | 0 | 6 | 2.00 | Good | Excellent | Excellent |
| 2025-02-21 12:00:00 | 184 | 123 | 75.2 | 0 | 7 | 1.33 | Good | Excellent | Excellent |
| 2025-02-21 00:00:00 | 178 | 119 | 75.2 | 0 | 7 | 0.67 | Good | Excellent | Excellent |
| 2025-02-20 12:00:00 | 178 | 119 | 75.2 | 0 | 20 | 0.67 | Normal | Excellent | Excellent |
| 2025-02-20 00:00:00 | 178 | 187 | 75.2 | 0 | 20 | 3.33 | Fair | Normal | Excellent |
| 2025-02-19 12:00:00 | 178 | 187 | 75.2 | 0 | 14 | 1.67 | Fair | Normal | Excellent |
| 2025-02-19 00:00:00 | 185 | 218 | A0.0 | 0 | 14 | 4.67 | Fair | Normal | Excellent |
| 2025-02-18 12:00:00 | 185 | 218 | 75.2 | 0 | 15 | 1.00 | Normal | Excellent | Excellent |
| 2025-02-18 00:00:00 | 0 | Fair | Good | Excellent | |||||
| 2025-02-17 12:00:00 | 0 | Fair | Good | Excellent | |||||
| 2025-02-17 00:00:00 | 184 | 153 | 75.2 | 0 | 18 | 4.00 | Fair | Good | Good |
| 2025-02-16 12:00:00 | 184 | 153 | 75.2 | 0 | 28 | 3.33 | Normal | Excellent | Excellent |
| 2025-02-16 00:00:00 | 179 | 111 | 75.2 | 0 | 28 | 4.33 | Fair | Normal | Normal |
| 2025-02-15 12:00:00 | 0 | Fair | Normal | Normal | |||||
| 2025-02-15 00:00:00 | 173 | 112 | 75.2 | 0 | 27 | 4.00 | Fair | Normal | Normal |
| Date and Time | Flux idx. | Spot num. | X-Ray idx. | X-Ray num | A-Index | K-Index | 00-10MHz | 10-20MHz | 20-30MHz |
