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Geomagnetic storm on 1 Jun 2025 (G4)

Max Kp8-G4

Ap98No. 2 in 2025

Consecutive G1+ days4

Ap rank180since 1932

Kp by 3-hour slot (UTC)

00–035o

03–066-

06–098-

09–127+

12–157+

15–185o

18–217-

21–244-

The days around it

Date	Max Kp	Ap	Level
29 May 2025	6+	62	G2
30 May 2025	5-	29	G1
31 May 2025	4o	16	–
1 Jun 2025	8-	98	G4
2 Jun 2025	7o	69	G3
3 Jun 2025	7o	60	G3
4 Jun 2025	5+	27	G1

Highest-Ap days of 2025

12 Nov 2025137

1 Jun 202598

1 Jan 202581

16 Apr 202575

30 Sep 202574

2 Jun 202569

13 Jun 202569

29 May 202562

3 Jun 202560

13 Nov 202557

Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.

← 16 Apr 2025 2 Jun 2025 →

About this page

Max Kp 8-, Ap 98: No. 180 of 34,615 days since 1932 by Ap.