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

Statistics of sunspot activity

May, 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			85	90	96		81	81			71	57	70		46	69	86	65					137	108	111	126	129	121		123	134	94.30	100
Wn			71	67	81		61	49			47	29	45		35	56	60	40					38	34	22	23	44	60		83	101	52.30	55.46
Ws			14	23	15		20	32			24	28	25		11	13	26	25					99	74	89	103	85	61		40	33	42.00	44.54
n			4	5	4		3	4			5	4	5		3	5	6	5					10	8	8	9	9	7		6	6	5.80	100
A			0	1	0		0	0			0	0	1		0	0	1	0					0	1	0	0	0	1		0	0	0.25	4.31
B			2	0	0		0	0			0	0	0		0	1	1	1					1	0	0	2	3	1		0	0	0.60	10.34
C			0	2	0		0	0			3	2	1		1	2	1	2					3	1	2	0	1	1		2	0	1.20	20.69
D			0	0	2		2	2			0	1	2		1	1	2	1					2	1	1	3	1	1		2	3	1.40	24.14
E			1	1	1		1	1			0	0	0		0	0	0	0					0	0	0	0	0	1		1	1	0.40	6.90
F			0	0	0		0	0			0	0	0		0	0	0	0					0	0	0	0	0	0		0	0	0.00	0.00
G			0	0	0		0	0			0	0	0		0	0	0	0					0	0	0	0	1	0		0	0	0.05	0.86
H			0	0	0		0	0			0	0	0		0	0	0	0					1	2	2	1	1	1		0	0	0.40	6.90
I			1	1	1		0	1			2	1	1		1	1	1	1					3	3	3	3	2	1		1	2	1.50	25.86
x			2	1	0		0	0			0	0	1		0	1	2	1					1	1	0	2	3	2		0	0	0.85	14.66
r			0	0	1		0	0			1	3	1		1	2	2	2					3	1	1	1	1	1		0	0	1.05	18.10
s			1	1	1		1	2			2	1	2		1	0	2	1					5	4	5	3	2	2		2	3	2.05	35.34
a			0	2	1		1	1			1	0	1		0	1	0	1					1	2	2	2	2	0		2	1	1.05	18.10
h			0	0	0		0	0			0	0	0		1	1	0	0					0	0	0	0	0	0		0	0	0.10	1.72
k			1	1	1		1	1			1	0	0		0	0	0	0					0	0	0	1	1	2		2	2	0.70	12.07
x			1	2	1		0	1			2	1	2		1	1	2	1					4	6	5	4	3	3		1	2	2.15	37.07
o			2	1	1		0	0			1	3	3		2	4	3	4					4	1	2	2	5	2		3	0	2.15	37.07
i			0	1	1		2	2			2	0	0		0	0	1	0					2	1	1	1	0	0		1	2	0.85	14.66
c			1	1	1		1	1			0	0	0		0	0	0	0					0	0	0	2	1	2		1	2	0.65	11.21
CV			70	84	101		106	116			73	33	60		64	68	59	44					99	75	85	146	113	130		150	181	92.85	100
CVn			68	75	88		78	78			53	18	49		54	60	46	32					33	21	20	65	56	62		84	116	57.80	62.25
CVs			2	9	13		28	38			20	15	11		10	8	13	12					66	54	65	81	57	68		66	65	35.05	37.75
gr			3	3	3		3	4			4	4	5		2	4	4	5					6	4	3	5	6	5		5	4	4.10	70.69
grfp			18	20	26		31	16			9	5	10		4	7	8	6					8	6	10	18	17	20		28	32	14.95	43.21
grf			26	18	29		20	25			11	12	10		11	11	16	9					25	18	16	14	19	29		34	40	19.65	56.79
efp			1	1	1		0	0			1	0	0		1	1	1	0					4	4	5	4	3	2		1	2	1.60	27.59
ef			0	1	0		0	0			0	0	0		0	0	1	0					0	0	0	0	0	0		0	0	0.10	1.72
Cond			4	3	3		2	3			3	2	3		4	4	3	2					3	4	3	2	3	2		3	4	3.00	40.00