IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

September 2024

International quiet and disturbed days

Geomagnetic Planetary Indices

Kp three-hourly									daily
	1	2	3	4	5	6	7	8	Sum	Ap	Cp
1	4-	3+	2o	2o	3+	4-	3o	2+	23+	15	0.8
2	2o	2o	1+	1+	2o	3-	2+	1o	15-	7	0.4
3	1o	1+	2o	2o	1o	1+	1+	1o	11o	5	0.2
4	0+	0+	2-	4+	4+	3o	2-	2o	18-	13	0.7
5	1+	1+	1-	1o	1-	1-	1o	2-	8+	4	0.1
6	0+	0o	1o	3-	3o	1o	1+	2o	11+	6	0.3
7	2o	2o	1o	2-	2+	2o	2o	1o	14o	6	0.3
8	2o	2o	1+	1+	2+	2o	2-	2-	14+	6	0.3
9	2+	1+	2+	1+	1o	3-	3-	2+	16o	8	0.4
10	2+	1+	2-	1+	1+	1-	2+	1+	12+	6	0.3
11	1-	1o	1-	1+	3o	4-	2o	3-	15o	9	0.5
12	2o	4-	6-	7-	7-	6o	7o	5-	42+	71	1.8
13	5+	4+	4o	3+	3+	4-	4o	6o	34o	35	1.4
14	4o	4-	2o	4o	4+	2-	3-	3o	25+	18	1.0
15	2-	4o	4o	3+	4-	4-	2+	2o	25-	17	0.9
16	3+	4o	4-	4-	4-	2+	2-	4o	26+	19	1.0
17	7+	7o	5+	6+	5+	4+	3+	4o	43o	71	1.8
18	4-	2o	1o	2o	2o	3-	2-	4-	19-	11	0.6
19	4+	3-	2o	3+	4-	4+	3o	1o	24+	18	1.0
20	0+	0+	1-	1o	1-	1-	1+	3+	8+	5	0.2
21	1+	2o	2-	1+	1o	1o	2-	1o	11o	5	0.2
22	1o	0+	1-	2-	2-	2o	1+	1o	10-	5	0.2
23	1+	1-	2-	3o	4-	4+	2-	1o	17+	12	0.7
24	3+	2+	2+	2o	2+	3-	3o	4+	22+	14	0.8
25	4+	5-	4o	4-	4-	5-	4o	4o	33o	29	1.3
26	4o	3+	2-	2-	3-	2-	2-	1-	17+	10	0.6
27	1+	2+	2o	1+	2+	1-	0+	0+	11-	5	0.2
28	0o	0o	1+	2-	2o	3o	2-	2o	12-	6	0.3
29	3-	2o	3+	3+	4-	2+	3-	3o	23o	14	0.8
30	4o	2+	1+	1-	1+	2-	2+	2+	16o	9	0.5
									Mean	15	0.65

Preliminary sudden commencements: none