The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2025 - March, 2025

Statistics of sunspot activity

March, 2025

Visual indices of solar activity by author's observations

Date	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Average	%
W	116							116		94		169		183	204			214	190		186		186	157	108		82	106		150	166	151.69	100
Wn	84							24		40		110		119	123			136	114		97		106	106	85		71	94		79	72	91.25	60.16
Ws	32							92		54		59		64	81			78	76		89		80	51	23		11	12		71	94	60.44	39.84
n	7							7		6		11		11	13			13	12		13		12	10	6		5	6		8	7	9.19	100
A	1							1		0		1		2	2			2	2		2		2	1	1		1	1		2	1	1.38	14.97
B	2							2		1		2		1	2			1	3		3		5	6	1		3	1		0	1	2.13	23.13
C	0							1		2		4		3	2			2	2		5		2	1	1		0	2		1	1	1.82	19.73
D	2							0		1		3		2	3			3	3		1		1	1	1		1	1		3	2	1.75	19.05
E	0							1		0		0		1	0			2	1		0		0	0	1		0	0		1	2	0.56	6.12
F	0							0		0		0		0	0			0	0		0		0	0	0		0	0		0	0	0.00	0.00
G	1							0		1		0		0	1			0	0		0		0	0	0		0	0		0	0	0.19	2.04
H	0							0		0		0		1	1			1	0		2		0	0	0		0	0		0	0	0.31	3.40
I	1							2		1		1		1	2			2	1		0		2	1	1		0	1		1	0	1.06	11.56
x	3							3		1		3		3	4			3	5		5		7	7	2		4	2		2	2	3.50	38.10
r	1							0		0		2		1	0			1	0		2		2	1	2		0	1		1	0	0.88	9.52
s	0							1		3		2		5	5			5	5		4		1	1	1		0	0		0	1	2.13	23.13
a	3							3		2		4		2	4			4	2		2		1	0	0		1	2		4	2	2.25	24.49
h	0							0		0		0		0	0			0	0		0		1	1	0		0	1		1	1	0.31	3.40
k	0							0		0		0		0	0			0	0		0		0	0	1		0	0		0	1	0.13	1.36
x	2							3		1		2		4	5			5	3		4		4	2	2		1	2		3	1	2.75	29.93
o	5							3		4		7		5	5			4	5		8		6	7	3		3	3		2	3	4.56	49.66
i	0							1		1		1		1	2			4	4		1		2	1	1		1	1		3	3	1.69	18.37
c	0							0		0		1		1	1			0	0		0		0	0	0		0	0		0	0	0.19	2.04
CV	67							53		80		111		130	156			163	137		88		92	80	78		29	78		128	153	101.44	100
CVn	47							12		34		74		78	84			107	89		50		64	65	66		28	71		92	84	65.31	64.39
CVs	20							41		46		37		52	72			56	48		38		28	15	12		1	7		36	69	36.13	35.61
gr	6							5		5		9		8	9			9	9		10		9	9	4		4	5		6	7	7.13	77.55
grfp	16							14		12		22		25	21			22	21		11		14	9	20		4	15		27	41	18.38	31.82
grf	29							30		21		35		45	49			58	46		42		49	47	26		27	30		41	55	39.38	68.18
efp	1							1		1		1		1	3			3	1		2		1	1	1		0	0		0	0	1.06	11.56
ef	0							1		0		1		2	1			1	2		1		2	0	1		1	1		2	0	1.00	10.88
Cond	2							3		3		4		4	3			4	3		4		3	4	3		3	2		3	2	3.13	37.50