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

Statistics of sunspot activity

August, 2025

Visual indices of solar activity by author's observations

Date	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Average	%
W	149	158	152	115			180					151	168	180	170	140	117	53		49		69	76			216		219			189	141.72	100
Wn	67	88	96	103			124					111	123	111	101	95	86	37		23		44	42			114		95			84	85.78	60.53
Ws	82	70	56	12			56					40	45	69	69	45	31	16		26		25	34			102		124			105	55.94	39.47
n	9	9	8	6			10					9	10	12	13	10	9	4		4		5	6			15		12			10	8.94	100
A	0	0	0	1			0					0	0	0	2	1	2	0		1		0	0			4		1			1	0.72	8.07
B	0	1	0	0			2					0	0	2	4	2	1	1		1		1	2			3		1			0	1.17	13.04
C	4	2	3	2			2					3	5	3	1	0	2	1		0		3	1			2		1			2	2.06	22.98
D	2	2	1	1			3					3	1	1	2	4	2	1		1		0	0			1		4			3	1.78	19.88
E	0	0	1	1			1					1	1	2	0	0	0	0		0		0	0			2		1			0	0.56	6.21
F	0	0	0	0			0					0	0	0	0	0	0	0		0		0	0			0		1			1	0.11	1.24
G	1	1	0	0			0					0	0	0	0	0	0	0		0		1	1			0		0			0	0.22	2.48
H	0	1	1	1			1					0	0	0	0	0	0	0		0		0	0			1		1			2	0.44	4.97
I	2	2	2	0			1					2	3	4	4	3	2	1		1		0	2			2		2			1	1.89	21.12
x	0	1	0	1			2					0	0	2	6	3	3	1		2		1	2			7		2			1	1.89	21.12
r	2	2	2	0			0					0	1	3	3	3	1	0		0		2	1			2		2			0	1.33	14.91
s	4	3	3	1			2					2	4	4	2	3	3	1		1		1	1			3		3			4	2.50	27.95
a	3	2	2	3			5					7	5	3	2	1	2	2		1		0	1			1		3			3	2.56	28.57
h	0	0	0	1			0					0	0	0	0	0	0	0		0		1	1			1		1			1	0.33	3.73
k	0	1	1	0			1					0	0	0	0	0	0	0		0		0	0			1		1			1	0.33	3.73
x	2	3	3	2			2					2	3	4	6	4	4	1		2		0	2			7		4			4	3.06	34.16
o	4	5	3	2			6					5	4	5	7	5	3	2		2		5	4			5		4			5	4.22	47.20
i	3	1	1	1			2					1	3	3	0	1	2	1		0		0	0			3		4			1	1.50	16.77
c	0	0	1	1			0					1	0	0	0	0	0	0		0		0	0			0		0			0	0.17	1.86
CV	118	130	126	111			147					136	119	130	81	102	85	40		32		73	76			174		224			188	116.22	100
CVn	57	77	96	100			113					90	98	94	52	85	74	31		3		57	57			86		108			103	76.72	66.01
CVs	61	53	30	11			34					46	21	36	29	17	11	9		29		16	19			88		116			85	39.50	33.91
gr	7	7	6	6			9					8	9	9	7	6	5	3		2		5	4			12		9			7	6.72	75.16
grfp	21	26	32	24			37					31	28	19	10	10	7	4		4		6	3			25		46			45	21.00	41.95
grf	36	40	38	31			42					29	39	38	24	26	16	8		3		13	11			38		50			41	29.09	58.05
efp	2	2	2	0			1					1	1	3	4	3	2	1		1		0	2			2		2			2	1.72	19.25
ef	0	0	0	0			0					0	0	0	2	1	2	0		1		0	0			1		1			1	0.50	5.59
Cond	3	2	3	2			4					4	3	2	1	2	3	3		4		3	4			3		4			3	2.94	41.11