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:	108
Spot number:	101
X-Ray index:	104.7
A index:	7
Kp index:	2.67

Conditions 00-10MHz:	Poor
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 67%
Probability of QSO on 2m between EU and EU is 25%
Probability of QSO on 6m between EU and EU is 0%
Probability of QSO on 6m between NA and NA is 58%
Probability of QSO on 10m between AS and EU is 27%
Probability of QSO on 10m between AF and NA is 72%
Probability of QSO on 10m between EU and AF is 11%
Probability of QSO on 10m between AS and AF is 34%
Probability of QSO on 10m between AF and OC is 20%
Probability of QSO on 10m between AS and OC is 23%
Probability of QSO on 10m between AF and AS is 20%
Probability of QSO on 12m between EU and AF is 25%
Probability of QSO on 12m between AS and EU is 15%
Probability of QSO on 12m between AS and AF is 33%
Probability of QSO on 12m between AS and OC is 3%
Probability of QSO on 15m between EU and AF is 40%
Probability of QSO on 15m between NA and AF is 76%
Probability of QSO on 15m between NA and EU is 59%
Probability of QSO on 15m between AS and EU is 14%
Probability of QSO on 15m between AF and AS is 33%
Probability of QSO on 15m between AS and OC is 35%
Probability of QSO on 17m between NA and AF is 50%
Probability of QSO on 17m between AS and OC is 24%
Probability of QSO on 17m between NA and OC is 66%
Probability of QSO on 17m between EU and AF is 23%
Probability of QSO on 17m between AF and AS is 24%
Probability of QSO on 17m between AF and EU is 9%
Probability of QSO on 17m between NA and EU is 40%
Probability of QSO on 17m between OC and NA is 6%
Probability of QSO on 20m between NA and AS is 29%
Probability of QSO on 20m between EU and AF is 41%
Probability of QSO on 20m between AS and NA is 9%
Probability of QSO on 20m between NA and OC is 10%
Probability of QSO on 20m between NA and EU is 15%
Probability of QSO on 20m between OC and NA is 0%
Probability of QSO on 20m between EU and NA is 0%
Probability of QSO on 20m between SA and AS is 66%
Probability of QSO on 20m between AS and OC is 19%
Probability of QSO on 20m between NA and AF is 3%
Probability of QSO on 20m between AF and OC is 4%
Probability of QSO on 20m between SA and NA is 20%
Probability of QSO on 20m between AF and EU is 9%
Probability of QSO on 20m between AS and EU is 20%
Probability of QSO on 30m between EU and OC is 9%
Probability of QSO on 30m between SA and NA is 5%
Probability of QSO on 30m between AS and NA is 18%
Probability of QSO on 30m between AS and OC is 4%
Probability of QSO on 30m between EU and AF is 2%
Probability of QSO on 40m between AS and OC is 2%
Probability of QSO on 40m between NA and EU is 22%
Probability of QSO on 40m between EU and AF is 7%
Probability of QSO on 40m between EU and NA is 38%
Probability of QSO on 80m between OC and NA is 13%
Probability of QSO on 80m between NA and EU is 30%

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (35%) 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%	2%	0%	1%	2%	1%
EU	0%	2%	74%	0%	1%	0%
NA	0%	0%	0%	6%	0%	1%
OC	0%	0%	0%	1%	10%	0%
SA	0%	0%	0%	1%	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	2%	0%	0%	0%	0%	0%
AS	0%	5%	2%	1%	4%	0%
EU	1%	5%	61%	2%	0%	0%
NA	0%	1%	1%	1%	1%	0%
OC	0%	2%	0%	0%	14%	0%
SA	0%	0%	0%	0%	0%	0%

Conditions at 20-30MHz (24%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	3%	0%	0%	0%	0%	0%
AS	2%	5%	1%	0%	8%	0%
EU	6%	5%	29%	0%	18%	0%
NA	0%	0%	0%	0%	0%	0%
OC	0%	0%	0%	0%	19%	0%
SA	0%	0%	0%	0%	0%	0%

Conditions at 50-54MHz (7%) 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%	36%	0%	0%	0%
NA	0%	0%	0%	64%	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
2026-08-14 00:00:00	100	82	104.7	0	7	3.00	Poor	Fair	Fair
2026-08-13 12:00:00	100	82	104.7	0	8	1.33	Poor	Fair	Fair
2026-08-13 00:00:00	96	62	104.7	0	8	1.00	Fair	Fair	Fair
2026-08-12 12:00:00	96	62	104.7	0	7	2.00	Fair	Poor	Closed
2026-08-12 00:00:00	95	55	104.7	0	7	1.33	Fair	Poor	Closed
2026-08-11 12:00:00	95	55	104.7	0	5	2.00	Fair	Poor	Closed
2026-08-11 00:00:00	94	41	104.7	0	5	1.67	Fair	Poor	Closed
2026-08-10 12:00:00	94	41	104.7	0	7	2.00	Fair	Poor	Closed
2026-08-10 00:00:00	94	62	104.7	0	7	2.00	Fair	Poor	Closed
2026-08-09 12:00:00	94	62	104.7	0	27	2.33	Poor	Closed	Closed
2026-08-09 00:00:00	97	72	104.7	0	27	3.67	Poor	Closed	Closed
2026-08-08 12:00:00	97	72	104.7	0	4	4.33	Poor	Closed	Closed
2026-08-08 00:00:00	101	71	104.7	0	4	0.67	Fair	Fair	Fair
2026-08-07 12:00:00	101	71	104.7	0	3	1.00	Fair	Fair	Fair
2026-08-07 00:00:00	108	86	104.7	0	3	0.33	Fair	Normal	Normal
2026-08-06 12:00:00	108	86	104.7	0	3	0.67	Fair	Normal	Normal
2026-08-06 00:00:00	118	100	104.7	0	3	1.33	Poor	Fair	Fair
2026-08-05 12:00:00	118	100	104.7	0	10	0.33	Fair	Normal	Normal
2026-08-05 00:00:00	126	104	104.7	0	10	1.00	Good	Excellent	Excellent
2026-08-04 12:00:00	126	104	104.7	0	19	2.33	Fair	Good	Good
2026-08-04 00:00:00	127	105	104.7	0	19	4.00	Fair	Normal	Normal
2026-08-03 12:00:00	127	105	104.7	0	17	3.33	Fair	Good	Good
2026-08-03 00:00:00	140	102	104.7	0	17	2.00	Fair	Good	Good
2026-08-02 12:00:00	140	102	104.7	0	4	1.00	Good	Excellent	Excellent
2026-08-02 00:00:00	148	123	104.7	0	4	1.00	Good	Excellent	Excellent
2026-08-01 12:00:00	148	123	104.7	0	5	0.67	Good	Excellent	Excellent
2026-08-01 00:00:00	152	130	104.7	0	5	1.00	Good	Excellent	Excellent
2026-07-31 12:00:00	152	130	104.7	0	5	1.67	Normal	Excellent	Excellent
2026-07-31 00:00:00	143	123	104.7	0	5	1.00	Good	Excellent	Excellent
2026-07-30 12:00:00	143	123	104.7	0	5	2.00	Normal	Excellent	Excellent
2026-07-30 00:00:00				0			Good	Excellent	Excellent
2026-07-29 12:00:00	143	102	104.7	0	8	1.67	Normal	Excellent	Excellent
2026-07-29 00:00:00	147	89	104.7	0	8	3.00	Normal	Excellent	Excellent
2026-07-28 12:00:00	147	89	104.7	0	7	2.33	Normal	Excellent	Excellent
2026-07-28 00:00:00	148	99	104.7	0	7	3.00	Normal	Excellent	Excellent
2026-07-27 12:00:00	148	99	104.7	0	6	1.33	Normal	Excellent	Excellent
2026-07-27 00:00:00	145	86	104.7	0	6	1.33	Normal	Excellent	Excellent
2026-07-26 12:00:00	145	86	104.7	0	5	2.00	Normal	Excellent	Excellent
2026-07-26 00:00:00	150	101	104.7	0	5	1.67	Normal	Excellent	Excellent
2026-07-25 12:00:00	150	101	104.7	0	8	2.00	Normal	Excellent	Excellent
2026-07-25 00:00:00	148	88	104.7	0	13	0.67	Normal	Excellent	Excellent
2026-07-24 12:00:00	148	88	104.7	0	22	1.67	Fair	Good	Good
2026-07-24 00:00:00	150	63	104.7	0	22	3.33	Normal	Normal	Normal
2026-07-23 12:00:00	150	63	104.7	0	12	2.67	Good	Good	Good
2026-07-23 00:00:00	149	88	104.7	0	12	2.67	Normal	Excellent	Excellent
2026-07-22 12:00:00	149	88	104.7	0	14	3.33	Fair	Good	Good
2026-07-22 00:00:00	137	74	104.7	0	14	3.00	Normal	Normal	Normal
2026-07-21 12:00:00	137	74	104.7	0	4	3.67	Good	Good	Good
2026-07-21 00:00:00	119	44	104.7	0	4	1.33	Fair	Poor	Closed
2026-07-20 12:00:00	119	44	104.7	0	4	0.67	Fair	Fair	Fair
2026-07-20 00:00:00	110	24	104.7	0	4	0.67	Fair	Fair	Fair
2026-07-19 12:00:00	110	24	104.7	0	4	1.00	Fair	Fair	Fair
2026-07-19 00:00:00	105	26	104.7	0	4	0.67	Fair	Fair	Fair
2026-07-18 12:00:00	105	26	104.7	0	4	1.00	Fair	Fair	Fair
2026-07-18 00:00:00	101	47	104.7	0	4	0.67	Fair	Fair	Fair
2026-07-17 12:00:00	101	47	104.7	0	7	1.33	Fair	Poor	Closed
2026-07-17 00:00:00	100	25	104.7	0	7	1.67	Fair	Poor	Closed
2026-07-16 12:00:00	100	25	104.7	0	12	1.67	Fair	Poor	Closed
2026-07-16 00:00:00	100	36	104.7	0	12	1.00	Fair	Fair	Fair
2026-07-15 12:00:00	100	36	104.7	0	7	3.00	Fair	Poor	Closed