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:	144
Spot number:	100
X-Ray index:	104.7
A index:	10
Kp index:	3.00

Conditions 00-10MHz:	Normal
Conditions 10-20MHz:	Excellent
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 67%
Probability of QSO on 23cm between AS and AS is 100%
Probability of QSO on 70cm between AS and AS is 100%
Probability of QSO on 2m between NA and NA is 100%
Probability of QSO on 2m between AS and AS is 100%
Probability of QSO on 6m between EU and EU is 9%
Probability of QSO on 6m between NA and NA is 32%
Probability of QSO on 10m between NA and AF is 15%
Probability of QSO on 10m between EU and NA is 8%
Probability of QSO on 10m between AS and EU is 28%
Probability of QSO on 10m between AF and NA is 53%
Probability of QSO on 10m between AF and SA is 92%
Probability of QSO on 10m between AF and EU is 60%
Probability of QSO on 10m between OC and SA is 7%
Probability of QSO on 10m between OC and EU is 12%
Probability of QSO on 10m between NA and EU is 0%
Probability of QSO on 10m between SA and NA is 3%
Probability of QSO on 10m between EU and AF is 69%
Probability of QSO on 10m between SA and EU is 2%
Probability of QSO on 12m between EU and AF is 33%
Probability of QSO on 12m between AS and EU is 18%
Probability of QSO on 12m between SA and EU is 30%
Probability of QSO on 12m between OC and AF is 0%
Probability of QSO on 12m between OC and EU is 17%
Probability of QSO on 12m between SA and NA is 50%
Probability of QSO on 12m between NA and AF is 6%
Probability of QSO on 12m between NA and EU is 7%
Probability of QSO on 15m between OC and NA is 4%
Probability of QSO on 15m between OC and AS is 20%
Probability of QSO on 15m between AS and AF is 1%
Probability of QSO on 15m between EU and AS is 18%
Probability of QSO on 15m between SA and AF is 20%
Probability of QSO on 15m between EU and OC is 8%
Probability of QSO on 15m between OC and EU is 11%
Probability of QSO on 15m between EU and AF is 60%
Probability of QSO on 15m between SA and EU is 24%
Probability of QSO on 15m between SA and NA is 15%
Probability of QSO on 15m between AS and EU is 13%
Probability of QSO on 15m between NA and AF is 17%
Probability of QSO on 17m between NA and AF is 15%
Probability of QSO on 17m between EU and AF is 57%
Probability of QSO on 17m between SA and NA is 18%
Probability of QSO on 17m between AS and EU is 10%
Probability of QSO on 17m between AS and AF is 22%
Probability of QSO on 17m between SA and EU is 33%
Probability of QSO on 17m between OC and AF is 13%
Probability of QSO on 17m between OC and NA is 16%
Probability of QSO on 20m between SA and NA is 27%
Probability of QSO on 20m between EU and AS is 18%
Probability of QSO on 20m between OC and AS is 4%
Probability of QSO on 20m between AS and NA is 3%
Probability of QSO on 20m between EU and AF is 61%
Probability of QSO on 20m between NA and EU is 13%
Probability of QSO on 20m between OC and AF is 1%
Probability of QSO on 20m between OC and EU is 11%
Probability of QSO on 20m between OC and NA is 16%
Probability of QSO on 20m between EU and NA is 30%
Probability of QSO on 20m between AF and SA is 17%
Probability of QSO on 30m between AS and NA is 18%
Probability of QSO on 30m between OC and NA is 33%
Probability of QSO on 30m between EU and AF is 3%
Probability of QSO on 40m between OC and AS is 8%
Probability of QSO on 40m between EU and NA is 5%
Probability of QSO on 40m between AS and EU is 1%
Probability of QSO on 40m between NA and EU is 17%
Probability of QSO on 40m between OC and NA is 34%
Probability of QSO on 80m between NA and EU is 9%
Probability of QSO on 80m between OC and NA is 7%
Probability of QSO on 630m between NA and EU is 9%

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (22%) 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%	1%	1%	0%	0%
EU	0%	2%	32%	1%	0%	0%
NA	0%	5%	0%	53%	2%	0%
OC	0%	0%	0%	0%	4%	0%
SA	0%	0%	0%	0%	0%	0%

Conditions at 10-20MHz (36%) 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	0%	3%	3%	0%	0%	0%
EU	0%	5%	61%	2%	1%	1%
NA	0%	1%	2%	17%	1%	0%
OC	0%	2%	0%	1%	6%	1%
SA	0%	1%	1%	0%	0%	1%

Conditions at 20-30MHz (42%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	1%	0%	2%	0%	0%	0%
AS	0%	2%	2%	1%	0%	0%
EU	3%	5%	43%	16%	1%	3%
NA	1%	2%	9%	7%	0%	1%
OC	1%	1%	3%	0%	4%	0%
SA	1%	0%	2%	2%	0%	1%

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%	29%	0%	0%	0%
NA	0%	0%	0%	72%	0%	0%
OC	0%	0%	0%	0%	0%	0%
SA	0%	0%	0%	0%	0%	0%

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
2026-01-28 12:00:00	144	100	104.7	0	10	3.00	Normal	Excellent	Excellent
2026-01-28 00:00:00				0			Normal	Excellent	Excellent
2026-01-27 12:00:00	153	115	104.7	0	10	2.00	Normal	Excellent	Excellent
2026-01-27 00:00:00				0			Normal	Excellent	Excellent
2026-01-26 12:00:00				0			Fair	Good	Good
2026-01-26 00:00:00	174	147	104.7	0	17	2.67	Fair	Good	Good
2026-01-25 12:00:00	174	147	104.7	0	16	3.00	Fair	Good	Good
2026-01-25 00:00:00				0			Fair	Normal	Excellent
2026-01-24 12:00:00				0			Fair	Normal	Excellent
2026-01-24 00:00:00	194	206	104.7	0	30	4.33	Fair	Normal	Excellent
2026-01-23 12:00:00	194	206	104.7	0	18	4.33	Fair	Normal	Excellent
2026-01-23 00:00:00	188	166	104.7	0	18	5.33	Fair	Good	Excellent
2026-01-22 12:00:00	188	166	104.7	0	73	2.33	Fair	Normal	Excellent
2026-01-22 00:00:00	178	172	104.7	0	73	3.33	Poor	Fair	Good
2026-01-21 12:00:00	178	172	104.7	0	143	6.33	Closed	Closed	Fair
2026-01-21 00:00:00	173	162	104.7	0	143	7.67	Poor	Fair	Good
2026-01-20 12:00:00	173	162	104.7	0	73	8.00	Closed	Closed	Closed
2026-01-20 00:00:00	148	140	104.7	0	73	8.67	Closed	Closed	Closed
2026-01-19 12:00:00	148	140	104.7	0	14	1.00	Normal	Excellent	Excellent
2026-01-19 00:00:00	159	124	104.7	0	14	3.00	Fair	Good	Good
2026-01-18 12:00:00	159	124	104.7	0	27	2.33	Fair	Good	Good
2026-01-18 00:00:00	148	144	104.7	0	27	4.00	Fair	Normal	Normal
2026-01-17 12:00:00	148	144	104.7	0	26	3.00	Fair	Good	Good
2026-01-17 00:00:00	139	123	104.7	0	26	4.67	Fair	Normal	Normal
2026-01-16 12:00:00	139	123	104.7	0	12	2.67	Normal	Excellent	Excellent
2026-01-16 00:00:00	127	70	104.7	0	12	2.33	Good	Good	Good
2026-01-15 12:00:00	127	70	104.7	0	7	2.33	Good	Good	Good
2026-01-15 00:00:00	117	49	104.7	0	7	3.00	Fair	Poor	Closed
2026-01-14 12:00:00	117	49	104.7	0	10	1.33	Fair	Poor	Closed
2026-01-14 00:00:00	113	52	104.7	0	10	2.33	Fair	Poor	Closed
2026-01-13 12:00:00	113	52	104.7	0	18	2.33	Poor	Closed	Closed
2026-01-13 00:00:00	111	84	104.7	0	18	4.33	Closed	Closed	Closed
2026-01-12 12:00:00	111	84	104.7	0	31	3.67	Closed	Poor	Closed
2026-01-12 00:00:00	114	65	104.7	0	31	4.00	Closed	Closed	Closed
2026-01-11 12:00:00	114	65	104.7	0	32	2.67	Poor	Closed	Closed
2026-01-11 00:00:00	117	80	104.7	0	32	5.67	Poor	Closed	Closed
2026-01-10 12:00:00	117	80	104.7	0	12	2.67	Fair	Poor	Closed
2026-01-10 00:00:00	140	96	104.7	0	12	2.00	Normal	Excellent	Excellent
2026-01-09 12:00:00	140	96	104.7	0	14	2.00	Fair	Good	Good
2026-01-09 00:00:00	135	118	104.7	0	14	3.00	Fair	Good	Good
2026-01-08 12:00:00	135	118	104.7	0	4	3.67	Normal	Excellent	Excellent
2026-01-08 00:00:00	145	99	104.7	0	4	2.33	Normal	Excellent	Excellent
2026-01-07 12:00:00	145	99	104.7	0	4	0.33	Good	Excellent	Excellent
2026-01-07 00:00:00	154	91	104.7	0	4	0.67	Good	Excellent	Excellent
2026-01-06 12:00:00	154	91	104.7	0	14	1.00	Normal	Excellent	Excellent
2026-01-06 00:00:00	157	97	104.7	0	14	2.00	Fair	Good	Good
2026-01-05 12:00:00	157	97	104.7	0	6	2.67	Normal	Excellent	Excellent
2026-01-05 00:00:00	165	136	104.7	0	6	3.33	Normal	Excellent	Excellent
2026-01-04 12:00:00	165	136	104.7	0	12	0.67	Good	Excellent	Excellent
2026-01-04 00:00:00	166	124	104.7	0	12	1.33	Normal	Excellent	Excellent
2026-01-03 12:00:00	166	124	104.7	0	24	2.00	Fair	Good	Good
2026-01-03 00:00:00	169	120	104.7	0	24	4.67	Fair	Normal	Normal
2026-01-02 12:00:00	169	120	104.7	0	12	2.33	Normal	Excellent	Excellent
2026-01-02 00:00:00	171	127	104.7	0	12	2.67	Normal	Excellent	Excellent
2026-01-01 12:00:00	171	127	104.7	0	7	2.67	Normal	Excellent	Excellent
2026-01-01 00:00:00	182	141	104.7	0	7	1.33	Good	Excellent	Excellent
2025-12-31 12:00:00	182	141	104.7	0	8	1.67	Good	Excellent	Excellent
2025-12-31 00:00:00				0			Excellent	Excellent	Excellent
2025-12-30 12:00:00	196	138	104.7	0	9	1.67	Good	Excellent	Excellent
2025-12-30 00:00:00	188	143	104.7	0	9	1.67	Good	Excellent	Excellent