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:	148
Spot number:	154
X-Ray index:	104.7
A index:	16
Kp index:	2.67

Conditions 00-10MHz:	Fair
Conditions 10-20MHz:	Good
Conditions 20-30MHz:	Good
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)

Currently there is no special propagation...

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (33%) 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	1%	0%	3%	0%	0%	0%
EU	1%	1%	23%	2%	1%	1%
NA	0%	0%	0%	15%	0%	0%
OC	0%	0%	1%	0%	0%	0%
SA	1%	0%	0%	0%	0%	51%

Conditions at 10-20MHz (53%) 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	2%	1%	2%	0%	0%	1%
EU	3%	3%	8%	8%	1%	2%
NA	1%	1%	5%	53%	0%	0%
OC	0%	0%	1%	1%	0%	1%
SA	1%	1%	4%	2%	0%	7%

Conditions at 20-30MHz (15%) 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	1%	0%	0%	0%	0%	1%
EU	1%	0%	2%	7%	0%	8%
NA	1%	0%	0%	22%	3%	6%
OC	0%	0%	0%	1%	0%	0%
SA	1%	0%	0%	17%	0%	22%

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%	67%	0%	0%	0%
NA	0%	0%	0%	34%	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
2026-04-26 12:00:00	148	154	104.7	0	9	3.67	Normal	Excellent	Excellent
2026-04-26 00:00:00	146	123	104.7	0	9	3.33	Normal	Excellent	Excellent
2026-04-25 12:00:00	146	123	104.7	0	9	0.67	Good	Excellent	Excellent
2026-04-25 00:00:00	128	71	104.7	0	9	3.33	Good	Good	Good
2026-04-24 12:00:00	128	71	104.7	0	7	1.33	Good	Good	Good
2026-04-24 00:00:00	116	72	104.7	0	7	1.67	Fair	Poor	Closed
2026-04-23 12:00:00	116	72	104.7	0	5	1.67	Fair	Poor	Closed
2026-04-23 00:00:00	112	68	104.7	0	5	1.67	Fair	Poor	Closed
2026-04-22 12:00:00	112	68	104.7	0	19	0.67	Fair	Poor	Closed
2026-04-22 00:00:00	105	46	104.7	0	19	2.00	Poor	Closed	Closed
2026-04-21 12:00:00	105	46	104.7	0	24	2.00	Poor	Closed	Closed
2026-04-21 00:00:00	105	35	104.7	0	24	3.67	Poor	Closed	Closed
2026-04-20 12:00:00	105	35	104.7	0	23	3.67	Poor	Closed	Closed
2026-04-20 00:00:00	106	44	104.7	0	23	1.67	Poor	Closed	Closed
2026-04-19 12:00:00	106	44	104.7	0	33	3.67	Poor	Closed	Closed
2026-04-19 00:00:00	107	50	104.7	0	33	4.00	Closed	Closed	Closed
2026-04-18 12:00:00	107	50	104.7	0	4	5.00	Poor	Closed	Closed
2026-04-18 00:00:00	108	65	104.7	0	5	1.67	Fair	Poor	Closed
2026-04-17 12:00:00	108	65	104.7	0	3	1.00	Fair	Fair	Fair
2026-04-17 00:00:00	105	57	104.7	0	3	0.67	Fair	Fair	Fair
2026-04-16 12:00:00	105	57	104.7	0	4	0.67	Fair	Fair	Fair
2026-04-16 00:00:00	101	64	104.7	0	4	1.67	Fair	Poor	Closed
2026-04-15 12:00:00	101	64	104.7	0	4	0.67	Fair	Fair	Fair
2026-04-15 00:00:00	99	58	104.7	0	4	0.33	Fair	Fair	Fair
2026-04-14 12:00:00	99	58	104.7	0	3	1.33	Fair	Poor	Closed
2026-04-14 00:00:00				0			Fair	Fair	Fair
2026-04-13 12:00:00	99	47	104.7	0	8	1.00	Fair	Fair	Fair
2026-04-13 00:00:00	93	42	104.7	0	8	2.33	Fair	Poor	Closed
2026-04-12 12:00:00	93	42	104.7	0	12	2.33	Fair	Poor	Closed
2026-04-12 00:00:00	94	48	104.7	0	12	1.33	Fair	Poor	Closed
2026-04-11 12:00:00	94	48	104.7	0	18	3.33	Poor	Closed	Closed
2026-04-11 00:00:00	98	79	104.7	0	18	2.00	Poor	Closed	Closed
2026-04-10 12:00:00	98	79	104.7	0	7	2.00	Fair	Poor	Closed
2026-04-10 00:00:00	108	103	104.7	0	7	2.33	Poor	Fair	Fair
2026-04-09 12:00:00				0			Poor	Fair	Fair
2026-04-09 00:00:00	109	110	104.7	0	7	1.67	Poor	Fair	Fair
2026-04-08 12:00:00	109	110	104.7	0	9	2.33	Poor	Fair	Fair
2026-04-08 00:00:00	116	112	104.7	0	9	3.00	Poor	Fair	Fair
2026-04-07 12:00:00	116	112	104.7	0	10	1.00	Fair	Normal	Normal
2026-04-07 00:00:00	118	112	104.7	0	10	2.33	Poor	Fair	Fair
2026-04-06 12:00:00	118	112	104.7	0	12	2.00	Poor	Fair	Fair
2026-04-06 00:00:00	128	113	104.7	0	12	1.00	Good	Excellent	Excellent
2026-04-05 12:00:00	128	113	104.7	0	16	3.00	Fair	Good	Good
2026-04-05 00:00:00	136	118	104.7	0	16	2.33	Fair	Good	Good
2026-04-04 12:00:00	136	118	104.7	0	49	2.67	Fair	Good	Good
2026-04-04 00:00:00	140	152	104.7	0	49	5.67	Fair	Good	Good
2026-04-03 12:00:00	140	152	104.7	0	43	4.00	Fair	Normal	Normal
2026-04-03 00:00:00	142	130	104.7	0	43	3.67	Fair	Good	Good
2026-04-02 12:00:00	142	130	104.7	0	8	5.00	Fair	Good	Good
2026-04-02 00:00:00	141	133	104.7	0	8	2.33	Normal	Excellent	Excellent
2026-04-01 12:00:00	141	133	104.7	0	7	1.67	Normal	Excellent	Excellent
2026-04-01 00:00:00	152	143	104.7	0	7	1.33	Normal	Excellent	Excellent
2026-03-31 12:00:00	152	143	104.7	0	12	2.00	Normal	Excellent	Excellent
2026-03-31 00:00:00	158	125	104.7	0	12	1.67	Normal	Excellent	Excellent
2026-03-30 12:00:00	158	125	104.7	0	14	3.00	Fair	Good	Good
2026-03-30 00:00:00	162	116	104.7	0	14	2.00	Fair	Good	Good
2026-03-29 12:00:00	162	116	104.7	0	10	2.33	Normal	Excellent	Excellent
2026-03-29 00:00:00	156	152	104.7	0	10	3.33	Normal	Excellent	Excellent
2026-03-28 12:00:00	156	152	104.7	0	6	2.67	Normal	Excellent	Excellent
2026-03-28 00:00:00	152	113	104.7	0	6	2.33	Normal	Excellent	Excellent