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:	101
Spot number:	51
X-Ray index:	104.7
A index:	6
Kp index:	1.67

Conditions 00-10MHz:	Fair
Conditions 10-20MHz:	Poor
Conditions 20-30MHz:	Closed
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 23cm between AS and AS is 100%
Probability of QSO on 70cm between AS and AS is 84%
Probability of QSO on 2m between AS and AS is 84%
Probability of QSO on 6m between NA and NA is 95%
Probability of QSO on 6m between OC and OC is 16%
Probability of QSO on 10m between OC and NA is 6%
Probability of QSO on 10m between EU and NA is 70%
Probability of QSO on 10m between EU and OC is 79%
Probability of QSO on 12m between NA and AF is 4%
Probability of QSO on 12m between SA and NA is 18%
Probability of QSO on 15m between SA and AF is 13%
Probability of QSO on 15m between NA and SA is 3%
Probability of QSO on 15m between EU and NA is 32%
Probability of QSO on 15m between NA and AF is 29%
Probability of QSO on 15m between AS and NA is 34%
Probability of QSO on 17m between NA and SA is 29%
Probability of QSO on 17m between AS and OC is 33%
Probability of QSO on 17m between OC and NA is 1%
Probability of QSO on 17m between NA and AF is 16%
Probability of QSO on 20m between OC and AS is 1%
Probability of QSO on 20m between EU and NA is 19%
Probability of QSO on 20m between AS and AF is 70%
Probability of QSO on 20m between SA and AF is 8%
Probability of QSO on 20m between SA and NA is 29%
Probability of QSO on 20m between SA and OC is 46%
Probability of QSO on 20m between OC and NA is 8%
Probability of QSO on 20m between AS and NA is 38%
Probability of QSO on 20m between NA and AF is 9%
Probability of QSO on 30m between NA and OC is 25%
Probability of QSO on 30m between OC and NA is 46%
Probability of QSO on 30m between AF and EU is 12%
Probability of QSO on 30m between AF and SA is 20%
Probability of QSO on 30m between NA and AF is 24%
Probability of QSO on 30m between NA and EU is 9%
Probability of QSO on 30m between EU and AF is 16%
Probability of QSO on 40m between EU and AF is 36%
Probability of QSO on 40m between NA and OC is 5%
Probability of QSO on 40m between EU and SA is 7%
Probability of QSO on 40m between SA and NA is 38%
Probability of QSO on 40m between OC and NA is 56%
Probability of QSO on 60m between EU and AF is 29%
Probability of QSO on 80m between EU and SA is 14%
Probability of QSO on 80m between EU and AF is 27%
Probability of QSO on 80m between AS and EU is 14%
Probability of QSO on 80m between EU and NA is 100%
Probability of QSO on 80m between OC and NA is 42%
Probability of QSO on 630m between EU and AF is 28%

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (36%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	1%	0%	0%	0%
AS	1%	1%	5%	0%	1%	0%
EU	3%	11%	71%	2%	1%	1%
NA	1%	1%	5%	2%	1%	1%
OC	1%	1%	1%	0%	0%	0%
SA	0%	0%	1%	1%	0%	1%

Conditions at 10-20MHz (22%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	1%	0%	0%	0%	0%	0%
AS	1%	1%	0%	0%	1%	1%
EU	2%	2%	5%	14%	1%	3%
NA	6%	3%	33%	23%	1%	5%
OC	0%	1%	1%	1%	1%	1%
SA	1%	1%	1%	1%	0%	4%

Conditions at 20-30MHz (44%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	1%	1%	1%
AS	1%	0%	1%	1%	1%	1%
EU	1%	0%	1%	1%	1%	1%
NA	3%	5%	2%	21%	5%	43%
OC	0%	1%	0%	1%	1%	1%
SA	1%	1%	1%	6%	0%	10%

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%	0%	0%	0%	0%	0%
EU	0%	0%	0%	0%	0%	0%
NA	0%	0%	0%	67%	0%	0%
OC	0%	0%	0%	0%	0%	0%
SA	0%	0%	0%	0%	0%	34%

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
2026-10-24 12:00:00	101	51	104.7	0	11	2.00	Fair	Poor	Closed
2026-10-24 00:00:00	106	49	104.7	0	11	1.67	Fair	Poor	Closed
2026-10-23 12:00:00	106	49	104.7	0	20	2.33	Poor	Closed	Closed
2026-10-23 00:00:00	115	66	104.7	0	20	3.33	Poor	Closed	Closed
2026-10-22 12:00:00	115	66	104.7	0	19	4.33	Closed	Closed	Closed
2026-10-22 00:00:00	121	66	104.7	0	19	4.67	Fair	Fair	Fair
2026-10-21 12:00:00	121	66	104.7	0	8	2.33	Good	Good	Good
2026-10-21 00:00:00	121	66	104.7	0	8	3.00	Good	Good	Good
2026-10-20 12:00:00	121	66	104.7	0	2	2.00	Good	Good	Good
2026-10-20 00:00:00	137	82	104.7	0	2	0.67	Good	Excellent	Excellent
2026-10-19 12:00:00	137	82	104.7	0	6	1.00	Good	Excellent	Excellent
2026-10-19 00:00:00	132	87	104.7	0	6	0.33	Good	Excellent	Excellent
2026-10-18 12:00:00	132	87	104.7	0	6	1.67	Normal	Excellent	Excellent
2026-10-18 00:00:00	131	81	104.7	0	6	1.00	Good	Excellent	Excellent
2026-10-17 12:00:00	131	81	104.7	0	12	0.67	Good	Excellent	Excellent
2026-10-17 00:00:00	126	104	104.7	0	12	2.33	Normal	Excellent	Excellent
2026-10-16 12:00:00	126	104	104.7	0	9	2.33	Normal	Excellent	Excellent
2026-10-16 00:00:00	123	124	104.7	0	9	2.33	Normal	Excellent	Excellent
2026-10-15 12:00:00	123	124	104.7	0	10	3.00	Normal	Excellent	Excellent
2026-10-15 00:00:00	136	102	104.7	0	10	2.67	Normal	Excellent	Excellent
2026-10-14 12:00:00	136	102	104.7	0	13	2.33	Fair	Good	Good
2026-10-14 00:00:00	123	93	104.7	0	13	1.33	Fair	Good	Good
2026-10-13 12:00:00	123	93	104.7	0	7	3.00	Normal	Excellent	Excellent
2026-10-13 00:00:00	122	94	104.7	0	7	1.33	Normal	Excellent	Excellent
2026-10-12 12:00:00	122	94	104.7	0	13	1.33	Fair	Good	Good
2026-10-12 00:00:00	126	99	104.7	0	13	1.67	Fair	Good	Good
2026-10-11 12:00:00	126	99	104.7	0	46	3.00	Fair	Good	Good
2026-10-11 00:00:00	121	93	104.7	0	46	5.33	Fair	Good	Good
2026-10-10 12:00:00	121	93	104.7	0	11	2.33	Normal	Excellent	Excellent
2026-10-10 00:00:00	119	69	104.7	0	11	2.33	Fair	Poor	Closed
2026-10-09 12:00:00	119	69	104.7	0	6	4.00	Poor	Closed	Closed
2026-10-09 00:00:00	114	78	104.7	0	6	1.33	Fair	Poor	Closed
2026-10-08 12:00:00	114	78	104.7	0	6	2.00	Fair	Poor	Closed
2026-10-08 00:00:00	113	77	104.7	0	6	1.00	Fair	Fair	Fair
2026-10-07 12:00:00	113	77	104.7	0	11	0.67	Fair	Fair	Fair
2026-10-07 00:00:00	100	58	104.7	0	11	2.33	Fair	Poor	Closed
2026-10-06 12:00:00	100	58	104.7	0	24	2.67	Poor	Closed	Closed
2026-10-06 00:00:00	92	55	104.7	0	24	4.00	Closed	Closed	Closed
2026-10-05 12:00:00	92	55	104.7	0	36	3.33	Poor	Closed	Closed
2026-10-05 00:00:00	93	53	104.7	0	36	4.67	Closed	Closed	Closed
2026-10-04 12:00:00	93	53	104.7	0	7	5.00	Poor	Closed	Closed
2026-10-04 00:00:00	92	37	104.7	0	7	1.00	Fair	Fair	Fair
2026-10-03 12:00:00	92	37	104.7	0	3	2.00	Fair	Poor	Closed
2026-10-03 00:00:00	92	38	104.7	0	3	1.33	Fair	Poor	Closed
2026-10-02 12:00:00	92	38	104.7	0	4	0.67	Fair	Fair	Fair
2026-10-02 00:00:00	93	29	104.7	0	4	2.00	Fair	Poor	Closed
2026-10-01 12:00:00	93	29	104.7	0	3	1.00	Fair	Fair	Fair
2026-10-01 00:00:00	92	28	104.7	0	3	0.67	Fair	Fair	Fair
2026-09-30 12:00:00	92	28	104.7	0	4	1.33	Fair	Poor	Closed
2026-09-30 00:00:00	95	46	104.7	0	4	1.33	Fair	Poor	Closed
2026-09-29 12:00:00	95	46	104.7	0	4	1.33	Fair	Poor	Closed
2026-09-29 00:00:00	97	67	104.7	0	4	0.67	Fair	Fair	Fair
2026-09-28 12:00:00	97	67	104.7	0	8	1.33	Fair	Poor	Closed
2026-09-28 00:00:00	101	88	104.7	0	8	0.33	Fair	Normal	Normal
2026-09-27 12:00:00	101	88	104.7	0	12	1.33	Poor	Fair	Fair
2026-09-27 00:00:00	105	110	104.7	0	12	2.67	Poor	Fair	Fair
2026-09-26 12:00:00	105	110	104.7	0	20	2.67	Closed	Poor	Closed
2026-09-26 00:00:00	112	124	104.7	0	20	3.67	Closed	Poor	Closed
2026-09-25 12:00:00	112	124	104.7	0	16	4.00	Closed	Closed	Closed
2026-09-25 00:00:00	121	142	104.7	0	16	2.67	Fair	Good	Good