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:	125
Spot number:	25
X-Ray index:	104.7
A index:	14
Kp index:	4.00

Conditions 00-10MHz:	Fair
Conditions 10-20MHz:	Fair
Conditions 20-30MHz:	Fair
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 100%
Probability of QSO on 2m between EU and EU is 16%
Probability of QSO on 2m between AS and AS is 18%
Probability of QSO on 6m between OC and OC is 28%
Probability of QSO on 6m between NA and NA is 100%
Probability of QSO on 10m between NA and EU is 66%
Probability of QSO on 10m between NA and AS is 96%
Probability of QSO on 10m between NA and OC is 62%
Probability of QSO on 10m between AS and EU is 28%
Probability of QSO on 10m between AF and EU is 20%
Probability of QSO on 12m between EU and AS is 15%
Probability of QSO on 12m between AS and NA is 21%
Probability of QSO on 12m between AS and OC is 14%
Probability of QSO on 12m between AS and EU is 21%
Probability of QSO on 15m between NA and AS is 66%
Probability of QSO on 15m between NA and OC is 40%
Probability of QSO on 15m between NA and EU is 78%
Probability of QSO on 15m between SA and NA is 1%
Probability of QSO on 15m between AS and OC is 51%
Probability of QSO on 15m between AS and EU is 14%
Probability of QSO on 15m between AS and NA is 8%
Probability of QSO on 15m between SA and EU is 10%
Probability of QSO on 15m between OC and EU is 90%
Probability of QSO on 15m between OC and NA is 63%
Probability of QSO on 15m between OC and AS is 50%
Probability of QSO on 17m between NA and OC is 14%
Probability of QSO on 17m between AS and SA is 10%
Probability of QSO on 17m between AS and NA is 14%
Probability of QSO on 17m between SA and NA is 16%
Probability of QSO on 17m between OC and AS is 7%
Probability of QSO on 17m between OC and EU is 11%
Probability of QSO on 17m between EU and AS is 0%
Probability of QSO on 17m between EU and OC is 8%
Probability of QSO on 17m between EU and SA is 10%
Probability of QSO on 17m between OC and NA is 26%
Probability of QSO on 20m between EU and NA is 69%
Probability of QSO on 20m between SA and OC is 16%
Probability of QSO on 20m between NA and OC is 2%
Probability of QSO on 20m between OC and NA is 7%
Probability of QSO on 20m between AS and AF is 15%
Probability of QSO on 20m between AS and NA is 33%
Probability of QSO on 20m between EU and AF is 51%
Probability of QSO on 20m between OC and SA is 16%
Probability of QSO on 20m between NA and AF is 68%
Probability of QSO on 20m between AF and NA is 13%
Probability of QSO on 20m between OC and AS is 3%
Probability of QSO on 20m between OC and AF is 28%
Probability of QSO on 20m between OC and EU is 26%
Probability of QSO on 20m between SA and AS is 65%
Probability of QSO on 20m between SA and NA is 71%
Probability of QSO on 20m between NA and EU is 65%
Probability of QSO on 20m between SA and EU is 62%
Probability of QSO on 20m between EU and OC is 20%
Probability of QSO on 30m between OC and NA is 13%
Probability of QSO on 30m between SA and OC is 21%
Probability of QSO on 30m between OC and AF is 10%
Probability of QSO on 30m between OC and EU is 6%
Probability of QSO on 30m between EU and AF is 35%
Probability of QSO on 30m between NA and OC is 0%
Probability of QSO on 30m between NA and AF is 49%
Probability of QSO on 30m between EU and OC is 26%
Probability of QSO on 40m between SA and AF is 24%
Probability of QSO on 40m between SA and OC is 29%
Probability of QSO on 40m between AS and NA is 4%
Probability of QSO on 40m between AS and OC is 33%
Probability of QSO on 40m between SA and NA is 21%
Probability of QSO on 40m between OC and AS is 29%
Probability of QSO on 40m between EU and NA is 0%
Probability of QSO on 40m between OC and SA is 27%
Probability of QSO on 40m between NA and OC is 2%
Probability of QSO on 40m between EU and AF is 71%
Probability of QSO on 40m between NA and EU is 5%
Probability of QSO on 40m between AF and EU is 89%
Probability of QSO on 40m between NA and AF is 48%
Probability of QSO on 40m between OC and NA is 8%
Probability of QSO on 40m between SA and EU is 10%
Probability of QSO on 80m between NA and EU is 15%
Probability of QSO on 80m between OC and NA is 26%
Probability of QSO on 630m between NA and EU is 5%

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (51%) 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	5%	0%	55%	7%	3%	5%
NA	2%	0%	8%	3%	1%	1%
OC	0%	0%	6%	0%	4%	0%
SA	0%	0%	0%	0%	0%	0%

Conditions at 10-20MHz (32%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	1%	0%	1%	1%	0%	0%
AS	3%	1%	1%	1%	2%	0%
EU	11%	6%	32%	2%	18%	6%
NA	2%	0%	3%	2%	2%	0%
OC	2%	1%	6%	1%	2%	1%
SA	0%	0%	0%	0%	0%	0%

Conditions at 20-30MHz (17%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	0%	2%	0%
AS	5%	12%	2%	0%	0%	0%
EU	7%	36%	12%	0%	20%	0%
NA	0%	0%	0%	0%	0%	0%
OC	0%	2%	0%	0%	3%	0%
SA	0%	0%	0%	0%	0%	0%

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%	20%	0%
EU	0%	0%	60%	0%	0%	0%
NA	0%	0%	0%	0%	0%	0%
OC	0%	0%	0%	0%	20%	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
2026-02-26 00:00:00	120	0	104.7	0	14	4.00	Closed	Closed	Closed
2026-02-25 12:00:00	120	0	104.7	0	14	3.00	Poor	Closed	Closed
2026-02-25 00:00:00				0			Poor	Closed	Closed
2026-02-24 12:00:00	108	0	104.7	0	23	2.33	Poor	Closed	Closed
2026-02-24 00:00:00	110	0	104.7	0	23	4.00	Closed	Closed	Closed
2026-02-23 12:00:00	110	0	104.7	0	36	3.67	Poor	Closed	Closed
2026-02-23 00:00:00	110	11	104.7	0	36	5.00	Closed	Closed	Closed
2026-02-22 12:00:00	110	11	104.7	0	16	4.00	Closed	Closed	Closed
2026-02-22 00:00:00	111	34	104.7	0	16	4.33	Closed	Closed	Closed
2026-02-21 12:00:00	111	34	104.7	0	12	2.00	Fair	Poor	Closed
2026-02-21 00:00:00	116	39	104.7	0	12	4.00	Poor	Closed	Closed
2026-02-20 12:00:00	116	39	104.7	0	10	2.33	Fair	Poor	Closed
2026-02-20 00:00:00	119	43	104.7	0	10	1.33	Fair	Poor	Closed
2026-02-19 12:00:00	119	43	104.7	0	10	2.33	Fair	Poor	Closed
2026-02-19 00:00:00	122	63	104.7	0	10	2.33	Good	Good	Good
2026-02-18 12:00:00	122	63	104.7	0	11	2.00	Good	Good	Good
2026-02-18 00:00:00				0			Fair	Poor	Closed
2026-02-17 12:00:00	118	69	104.7	0	29	3.00	Poor	Closed	Closed
2026-02-17 00:00:00	118	65	104.7	0	29	2.67	Poor	Closed	Closed
2026-02-16 12:00:00	118	65	104.7	0	26	3.00	Poor	Closed	Closed
2026-02-16 00:00:00	117	60	104.7	0	26	4.00	Closed	Closed	Closed
2026-02-15 12:00:00	117	60	104.7	0	11	2.67	Fair	Poor	Closed
2026-02-15 00:00:00	117	50	104.7	0	11	4.33	Poor	Closed	Closed
2026-02-14 12:00:00	117	50	104.7	0	14	0.33	Fair	Poor	Closed
2026-02-14 00:00:00	129	82	104.7	0	14	4.00	Fair	Normal	Normal
2026-02-13 12:00:00				0			Normal	Excellent	Excellent
2026-02-13 00:00:00	129	84	104.7	0	9	1.33	Normal	Excellent	Excellent
2026-02-12 12:00:00				0			Fair	Good	Good
2026-02-12 00:00:00	142	105	104.7	0	18	4.00	Fair	Normal	Normal
2026-02-11 12:00:00	142	105	104.7	0	10	3.00	Normal	Excellent	Excellent
2026-02-11 00:00:00	144	107	104.7	0	10	4.33	Fair	Good	Good
2026-02-10 12:00:00	144	107	104.7	0	6	2.67	Normal	Excellent	Excellent
2026-02-10 00:00:00				0			Normal	Excellent	Excellent
2026-02-09 12:00:00	167	118	104.7	0	8	1.33	Normal	Excellent	Excellent
2026-02-09 00:00:00	169	128	104.7	0	8	3.00	Normal	Excellent	Excellent
2026-02-08 12:00:00	169	128	104.7	0	15	1.33	Fair	Good	Good
2026-02-08 00:00:00	164	132	104.7	0	15	3.67	Fair	Good	Good
2026-02-07 12:00:00	164	132	104.7	0	16	2.67	Fair	Good	Good
2026-02-07 00:00:00	176	139	104.7	0	16	3.33	Fair	Good	Good
2026-02-06 12:00:00	176	139	104.7	0	22	3.00	Fair	Good	Good
2026-02-06 00:00:00				0			Fair	Normal	Excellent
2026-02-05 12:00:00	167	166	104.7	0	10	3.00	Fair	Good	Excellent
2026-02-05 00:00:00	178	171	104.7	0	10	4.00	Fair	Normal	Excellent
2026-02-04 12:00:00	178	171	104.7	0	5	1.00	Normal	Excellent	Excellent
2026-02-04 00:00:00	174	131	104.7	0	5	0.67	Good	Excellent	Excellent
2026-02-03 12:00:00	174	131	104.7	0	6	1.00	Good	Excellent	Excellent
2026-02-03 00:00:00	162	97	104.7	0	6	1.33	Normal	Excellent	Excellent
2026-02-02 12:00:00	162	97	104.7	0	4	1.67	Normal	Excellent	Excellent
2026-02-02 00:00:00				0			Normal	Excellent	Excellent
2026-02-01 12:00:00	141	126	104.7	0	5	1.00	Good	Excellent	Excellent
2026-02-01 00:00:00	128	112	104.7	0	5	1.33	Normal	Excellent	Excellent
2026-01-31 12:00:00	128	112	104.7	0	10	0.67	Good	Excellent	Excellent
2026-01-31 00:00:00	129	117	104.7	0	10	2.33	Normal	Excellent	Excellent
2026-01-30 12:00:00	129	117	104.7	0	22	2.33	Fair	Good	Good
2026-01-30 00:00:00				0			Fair	Good	Good
2026-01-29 12:00:00	133	135	104.7	0	24	3.67	Fair	Good	Good
2026-01-29 00:00:00	144	100	104.7	0	24	5.33	Fair	Good	Good
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