HF Propagation on QRZCQ - The database for radio hams

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:	167
Spot number:	171
X-Ray index:	75.2
A index:	23
Kp index:	2.67

Conditions 00-10MHz:	Fair
Conditions 10-20MHz:	Normal
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 91%
Probability of QSO on 23cm between AS and AS is 3%
Probability of QSO on 70cm between AS and AS is 55%
Probability of QSO on 2m between AS and AS is 76%
Probability of QSO on 6m between NA and NA is 47%
Probability of QSO on 6m between OC and OC is 75%
Probability of QSO on 10m between NA and EU is 33%
Probability of QSO on 12m between NA and SA is 1%
Probability of QSO on 15m between NA and SA is 5%
Probability of QSO on 15m between NA and AF is 1%
Probability of QSO on 15m between AS and OC is 27%
Probability of QSO on 15m between AS and SA is 6%
Probability of QSO on 15m between OC and NA is 2%
Probability of QSO on 17m between EU and AF is 49%
Probability of QSO on 17m between OC and EU is 4%
Probability of QSO on 17m between OC and NA is 33%
Probability of QSO on 17m between NA and AF is 25%
Probability of QSO on 17m between AS and SA is 7%
Probability of QSO on 17m between AS and OC is 0%
Probability of QSO on 17m between NA and EU is 12%
Probability of QSO on 17m between NA and SA is 6%
Probability of QSO on 17m between AS and AF is 26%
Probability of QSO on 20m between SA and NA is 6%
Probability of QSO on 20m between EU and OC is 2%
Probability of QSO on 20m between SA and EU is 7%
Probability of QSO on 20m between NA and EU is 8%
Probability of QSO on 20m between EU and AF is 62%
Probability of QSO on 20m between EU and SA is 5%
Probability of QSO on 20m between NA and AF is 44%
Probability of QSO on 20m between SA and AF is 15%
Probability of QSO on 20m between AF and EU is 18%
Probability of QSO on 20m between AF and AS is 1%
Probability of QSO on 20m between EU and NA is 20%
Probability of QSO on 20m between AS and SA is 27%
Probability of QSO on 20m between OC and NA is 25%
Probability of QSO on 20m between NA and SA is 11%
Probability of QSO on 20m between AS and AF is 61%
Probability of QSO on 20m between AS and EU is 17%
Probability of QSO on 30m between NA and AF is 22%
Probability of QSO on 30m between EU and NA is 5%
Probability of QSO on 30m between OC and EU is 22%
Probability of QSO on 30m between OC and SA is 29%
Probability of QSO on 30m between OC and AF is 29%
Probability of QSO on 30m between AS and AF is 10%
Probability of QSO on 30m between EU and AF is 31%
Probability of QSO on 30m between AS and EU is 4%
Probability of QSO on 30m between AF and OC is 84%
Probability of QSO on 30m between NA and EU is 7%
Probability of QSO on 30m between AF and NA is 100%
Probability of QSO on 30m between NA and OC is 7%
Probability of QSO on 40m between EU and NA is 3%
Probability of QSO on 40m between NA and AF is 30%
Probability of QSO on 40m between OC and SA is 38%
Probability of QSO on 40m between OC and EU is 18%
Probability of QSO on 40m between OC and AF is 52%
Probability of QSO on 40m between OC and NA is 52%
Probability of QSO on 40m between NA and EU is 8%
Probability of QSO on 40m between AF and EU is 10%
Probability of QSO on 40m between EU and AF is 45%
Probability of QSO on 40m between NA and SA is 11%
Probability of QSO on 40m between AS and EU is 22%
Probability of QSO on 40m between AS and AF is 24%
Probability of QSO on 40m between AF and NA is 100%
Probability of QSO on 60m between EU and AF is 42%
Probability of QSO on 80m between AF and EU is 6%
Probability of QSO on 80m between NA and SA is 2%
Probability of QSO on 80m between OC and NA is 92%
Probability of QSO on 80m between EU and AF is 11%
Probability of QSO on 80m between AS and EU is 43%

* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (17%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	0%	0%	0%
AS	0%	4%	0%	0%	0%	0%
EU	0%	7%	40%	4%	0%	6%
NA	2%	2%	3%	23%	0%	5%
OC	0%	0%	2%	0%	0%	0%
SA	2%	0%	2%	0%	0%	7%

Conditions at 10-20MHz (67%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	1%	1%	0%	0%
AS	0%	1%	1%	1%	0%	0%
EU	2%	7%	7%	13%	2%	4%
NA	2%	6%	25%	13%	1%	6%
OC	0%	1%	1%	1%	1%	0%
SA	0%	1%	6%	2%	1%	1%

Conditions at 20-30MHz (16%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	0%	0%	0%
AS	0%	3%	0%	3%	2%	0%
EU	0%	0%	0%	0%	0%	0%
NA	0%	0%	0%	4%	14%	3%
OC	0%	16%	0%	32%	11%	0%
SA	2%	0%	0%	6%	4%	5%

Conditions at 50-54MHz (1%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	0%	0%	0%
AS	0%	25%	0%	0%	0%	0%
EU	0%	0%	25%	0%	0%	0%
NA	0%	0%	0%	25%	0%	0%
OC	0%	0%	0%	0%	0%	0%
SA	0%	0%	0%	0%	0%	25%

HISTORICAL PROPAGATION DATA

Last 30 days of HF propagation

Date and Time	Flux idx.	Spot num.	X-Ray idx.	X-Ray num	A-Index	K-Index	00-10MHz	10-20MHz	20-30MHz
2024-07-27 00:00:00	167	171	75.2	0	23	2.67	Fair	Normal	Excellent
2024-07-26 12:00:00	167	171	75.2	0	9	3.00	Fair	Good	Excellent
2024-07-26 00:00:00	175	160	75.2	0	9	3.33	Normal	Excellent	Excellent
2024-07-25 12:00:00	175	160	75.2	0	6	1.33	Normal	Excellent	Excellent
2024-07-25 00:00:00	176	167	75.2	0	14	1.33	Fair	Normal	Excellent
2024-07-24 12:00:00	176	167	75.2	0	5	2.00	Fair	Good	Excellent
2024-07-24 00:00:00	185	173	75.2	0	7	2.67	Normal	Excellent	Excellent
2024-07-23 12:00:00	185	173	75.2	0	9	1.67	Normal	Excellent	Excellent
2024-07-23 00:00:00	198	200	75.2	0	9	2.67	Normal	Excellent	Excellent
2024-07-22 12:00:00				0			Normal	Excellent	Excellent
2024-07-22 00:00:00	207	212	75.2	0	5	1.67	Normal	Excellent	Excellent
2024-07-21 12:00:00	207	212	75.2	0	7	1.33	Normal	Excellent	Excellent
2024-07-21 00:00:00	202	269	75.2	0	7	1.33	Normal	Excellent	Excellent
2024-07-20 12:00:00	202	269	75.2	0	5	2.00	Normal	Excellent	Excellent
2024-07-20 00:00:00	209	276	75.2	0	5	1.67	Normal	Excellent	Excellent
2024-07-19 12:00:00	209	276	75.2	0	5	1.33	Normal	Excellent	Excellent
2024-07-19 00:00:00	224	275	75.2	0	5	1.00	Good	Excellent	Excellent
2024-07-18 12:00:00	224	275	75.2	0	5	1.67	Normal	Excellent	Excellent
2024-07-18 00:00:00	242	250	75.2	0	5	0.67	Good	Excellent	Excellent
2024-07-17 12:00:00	242	250	75.2	0	10	1.33	Normal	Excellent	Excellent
2024-07-17 00:00:00	233	205	75.2	0	10	2.33	Normal	Excellent	Excellent
2024-07-16 12:00:00	233	205	75.2	0	6	1.67	Normal	Excellent	Excellent
2024-07-16 00:00:00	234	217	75.2	0	6	3.00	Normal	Excellent	Excellent
2024-07-15 12:00:00	234	217	75.2	0	5	1.33	Normal	Excellent	Excellent
2024-07-15 00:00:00	238	214	75.2	0	5	2.00	Normal	Excellent	Excellent
2024-07-14 12:00:00	238	214	75.2	0	4	2.00	Normal	Excellent	Excellent
2024-07-14 00:00:00	210	162	75.2	0	4	1.00	Good	Excellent	Excellent
2024-07-13 12:00:00	210	162	75.2	0	6	0.67	Good	Excellent	Excellent
2024-07-13 00:00:00	205	188	75.2	0	6	?	Good	Excellent	Excellent
2024-07-12 12:00:00	205	188	75.2	0	6	1.33	Normal	Excellent	Excellent
2024-07-12 00:00:00	214	190	75.2	0	8	1.33	Normal	Excellent	Excellent
2024-07-11 12:00:00	214	190	75.2	0	6	1.33	Normal	Excellent	Excellent
2024-07-11 00:00:00	180	143	75.2	0	6	1.33	Normal	Excellent	Excellent
2024-07-10 12:00:00	180	143	75.2	0	6	1.67	Normal	Excellent	Excellent
2024-07-10 00:00:00	169	95	75.2	0	6	2.00	Normal	Excellent	Excellent
2024-07-09 12:00:00	169	95	75.2	0	10	2.00	Normal	Excellent	Excellent
2024-07-09 00:00:00	171	119	75.2	0	10	2.00	Normal	Excellent	Excellent
2024-07-08 12:00:00	171	119	75.2	0	8	3.00	Normal	Excellent	Excellent
2024-07-08 00:00:00	166	132	75.2	0	8	3.00	Normal	Excellent	Excellent
2024-07-07 12:00:00	166	132	75.2	0	3	1.00	Good	Excellent	Excellent
2024-07-07 00:00:00	166	111	75.2	0	3	1.00	Good	Excellent	Excellent
2024-07-06 12:00:00	166	111	75.2	0	8	0.67	Good	Excellent	Excellent
2024-07-06 00:00:00				0			Good	Excellent	Excellent
2024-07-05 12:00:00	173	113	75.2	0	10	2.33	Normal	Excellent	Excellent
2024-07-05 00:00:00	167	182	75.2	0	10	2.67	Fair	Good	Excellent
2024-07-04 12:00:00	167	182	75.2	0	5	1.33	Fair	Good	Excellent
2024-07-04 00:00:00	164	192	75.2	0	5	2.00	Fair	Good	Excellent
2024-07-03 12:00:00	164	192	75.2	0	5	1.33	Fair	Good	Excellent
2024-07-03 00:00:00				0			Fair	Good	Excellent
2024-07-02 12:00:00	171	192	75.2	0	6	1.33	Fair	Good	Excellent
2024-07-02 00:00:00	174	199	75.2	0	6	1.00	Normal	Excellent	Excellent
2024-07-01 12:00:00	174	199	75.2	0	11	2.00	Fair	Good	Excellent
2024-07-01 00:00:00				0			Normal	Excellent	Excellent
2024-06-30 12:00:00	186	205	75.2	0	14	2.33	Fair	Good	Excellent
2024-06-30 00:00:00	181	162	75.2	0	14	2.67	Fair	Good	Excellent
2024-06-29 12:00:00	181	162	75.2	0	59	2.67	Fair	Normal	Excellent
2024-06-29 00:00:00	183	146	75.2	0	59	3.67	Fair	Good	Good
2024-06-28 12:00:00	183	146	75.2	0	9	6.00	Fair	Good	Good
2024-06-28 00:00:00	181	135	75.2	0	9	3.33	Good	Excellent	Excellent
2024-06-27 12:00:00	181	135	75.2	0	9	1.67	Good	Excellent	Excellent