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:	121
Spot number:	116
X-Ray index:	104.7
A index:	24
Kp index:	5.67

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)

Probability of QSO on 23cm between OC and OC is 0%
Probability of QSO on 23cm between AS and AS is 100%
Probability of QSO on 70cm between AS and AS is 74%
Probability of QSO on 2m between EU and EU is 25%
Probability of QSO on 6m between NA and NA is 93%
Probability of QSO on 10m between NA and AS is 59%
Probability of QSO on 10m between AS and EU is 16%
Probability of QSO on 10m between SA and AF is 10%
Probability of QSO on 10m between NA and SA is 37%
Probability of QSO on 10m between OC and SA is 24%
Probability of QSO on 10m between NA and OC is 2%
Probability of QSO on 10m between SA and NA is 22%
Probability of QSO on 12m between NA and EU is 25%
Probability of QSO on 12m between AS and NA is 3%
Probability of QSO on 12m between SA and NA is 18%
Probability of QSO on 12m between SA and OC is 1%
Probability of QSO on 12m between SA and EU is 4%
Probability of QSO on 12m between NA and AF is 2%
Probability of QSO on 15m between EU and NA is 47%
Probability of QSO on 15m between SA and NA is 11%
Probability of QSO on 15m between AS and NA is 4%
Probability of QSO on 15m between SA and AF is 23%
Probability of QSO on 15m between AS and OC is 21%
Probability of QSO on 15m between OC and NA is 18%
Probability of QSO on 15m between NA and EU is 21%
Probability of QSO on 15m between NA and SA is 28%
Probability of QSO on 15m between EU and OC is 24%
Probability of QSO on 15m between EU and AS is 52%
Probability of QSO on 15m between NA and AF is 8%
Probability of QSO on 17m between EU and NA is 40%
Probability of QSO on 17m between NA and EU is 34%
Probability of QSO on 17m between OC and EU is 10%
Probability of QSO on 17m between AS and OC is 16%
Probability of QSO on 17m between AS and NA is 15%
Probability of QSO on 17m between OC and AS is 8%
Probability of QSO on 17m between SA and OC is 15%
Probability of QSO on 17m between SA and NA is 25%
Probability of QSO on 17m between OC and NA is 4%
Probability of QSO on 17m between SA and AF is 47%
Probability of QSO on 17m between NA and OC is 2%
Probability of QSO on 17m between NA and AF is 11%
Probability of QSO on 20m between NA and AF is 19%
Probability of QSO on 20m between NA and OC is 36%
Probability of QSO on 20m between SA and EU is 10%
Probability of QSO on 20m between EU and AF is 43%
Probability of QSO on 20m between NA and EU is 23%
Probability of QSO on 20m between AF and NA is 3%
Probability of QSO on 20m between OC and AS is 21%
Probability of QSO on 20m between SA and AF is 10%
Probability of QSO on 20m between AS and NA is 2%
Probability of QSO on 20m between NA and SA is 15%
Probability of QSO on 20m between EU and NA is 9%
Probability of QSO on 20m between SA and OC is 44%
Probability of QSO on 20m between OC and NA is 20%
Probability of QSO on 20m between SA and NA is 93%
Probability of QSO on 20m between AS and EU is 56%
Probability of QSO on 20m between EU and OC is 29%
Probability of QSO on 30m between EU and AS is 4%
Probability of QSO on 30m between EU and AF is 41%
Probability of QSO on 30m between SA and NA is 47%
Probability of QSO on 30m between NA and OC is 30%
Probability of QSO on 30m between NA and AF is 36%
Probability of QSO on 30m between EU and NA is 17%
Probability of QSO on 30m between OC and AF is 7%
Probability of QSO on 30m between OC and NA is 32%
Probability of QSO on 40m between SA and NA is 5%
Probability of QSO on 40m between NA and EU is 0%
Probability of QSO on 40m between EU and AF is 29%
Probability of QSO on 40m between AS and AF is 7%
Probability of QSO on 40m between NA and OC is 27%
Probability of QSO on 40m between NA and AF is 30%
Probability of QSO on 40m between OC and NA is 26%
Probability of QSO on 40m between OC and AF is 24%
Probability of QSO on 60m between AS and NA is 61%
Probability of QSO on 60m between NA and AF is 31%
Probability of QSO on 60m between EU and AF is 27%
Probability of QSO on 80m between EU and SA is 1%
Probability of QSO on 80m between SA and NA is 75%
Probability of QSO on 80m between EU and NA is 7%
Probability of QSO on 80m between NA and AF is 13%
Probability of QSO on 80m between AS and AF is 4%
Probability of QSO on 80m between OC and NA is 50%
Probability of QSO on 80m between EU and AF is 39%
Probability of QSO on 160m between OC and EU is 6%
Probability of QSO on 160m between AS and EU is 6%
Probability of QSO on 2200m between SA and NA is 11%

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (34%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	1%	0%	1%	0%	0%	0%
AS	1%	1%	1%	0%	0%	1%
EU	2%	4%	35%	13%	4%	4%
NA	3%	1%	3%	19%	0%	1%
OC	0%	1%	0%	0%	5%	0%
SA	0%	0%	1%	1%	0%	0%

Conditions at 10-20MHz (39%) 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%	3%	1%	1%
EU	2%	2%	3%	15%	1%	5%
NA	7%	3%	7%	29%	2%	9%
OC	1%	1%	0%	1%	1%	0%
SA	1%	1%	3%	6%	0%	3%

Conditions at 20-30MHz (24%) 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	1%	5%	0%	6%	4%	2%
EU	0%	1%	0%	13%	0%	0%
NA	0%	11%	0%	17%	3%	6%
OC	0%	2%	0%	3%	10%	0%
SA	0%	0%	0%	10%	0%	7%

Conditions at 50-54MHz (5%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	7%	0%	0%	0%	0%	0%
AS	0%	0%	0%	0%	0%	0%
EU	0%	0%	0%	0%	0%	0%
NA	0%	0%	0%	4%	4%	4%
OC	0%	0%	0%	0%	0%	0%
SA	16%	0%	19%	22%	0%	22%

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
2026-03-14 00:00:00	121	116	104.7	0	24	5.67	Fair	Good	Good
2026-03-13 12:00:00				0			Fair	Good	Good
2026-03-13 00:00:00	123	120	104.7	0	8	1.33	Normal	Excellent	Excellent
2026-03-12 12:00:00	123	120	104.7	0	9	1.33	Normal	Excellent	Excellent
2026-03-12 00:00:00	127	71	104.7	0	9	1.33	Good	Good	Good
2026-03-11 12:00:00	127	71	104.7	0	14	?	Good	Good	Good
2026-03-11 00:00:00	128	72	104.7	0	14	1.67	Normal	Normal	Normal
2026-03-10 12:00:00	128	72	104.7	0	7	3.00	Good	Good	Good
2026-03-10 00:00:00	135	76	104.7	0	6	2.00	Good	Good	Good
2026-03-09 12:00:00	135	76	104.7	0	22	1.67	Normal	Normal	Normal
2026-03-09 00:00:00	135	75	104.7	0	22	2.33	Normal	Normal	Normal
2026-03-08 12:00:00	135	75	104.7	0	18	2.67	Normal	Normal	Normal
2026-03-08 00:00:00	143	75	104.7	0	18	4.00	Fair	Fair	Fair
2026-03-07 12:00:00	143	75	104.7	0	7	2.33	Good	Good	Good
2026-03-07 00:00:00	146	73	104.7	0	7	3.00	Good	Good	Good
2026-03-06 12:00:00	146	73	104.7	0	4	1.67	Good	Good	Good
2026-03-06 00:00:00	141	71	104.7	0	4	0.67	Excellent	Excellent	Excellent
2026-03-05 12:00:00	141	71	104.7	0	7	0.33	Excellent	Excellent	Excellent
2026-03-05 00:00:00	144	64	104.7	0	7	1.33	Good	Good	Good
2026-03-04 12:00:00	144	64	104.7	0	16	2.00	Normal	Normal	Normal
2026-03-04 00:00:00	148	82	104.7	0	16	5.00	Fair	Normal	Normal
2026-03-03 12:00:00	148	82	104.7	0	5	2.33	Normal	Excellent	Excellent
2026-03-03 00:00:00	147	85	104.7	0	5	1.33	Normal	Excellent	Excellent
2026-03-02 12:00:00	147	85	104.7	0	8	1.00	Good	Excellent	Excellent
2026-03-02 00:00:00	141	44	104.7	0	8	1.67	Good	Good	Good
2026-03-01 12:00:00	141	44	104.7	0	8	2.00	Good	Good	Good
2026-03-01 00:00:00	139	53	104.7	0	8	2.00	Good	Good	Good
2026-02-28 12:00:00	139	53	104.7	0	10	1.33	Good	Good	Good
2026-02-28 00:00:00	130	43	104.7	0	10	2.00	Good	Good	Good
2026-02-27 12:00:00	130	43	104.7	0	18	2.00	Normal	Normal	Normal
2026-02-27 00:00:00	125	25	104.7	0	18	2.67	Normal	Normal	Normal
2026-02-26 12:00:00	125	25	104.7	0	14	3.33	Normal	Normal	Normal
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