Aurora & Space WeatherGeomagnetic activity in 2019
Mean Ap6.1
G1+18days
G3+0days
G50days
G1+ days by month
- January 2019
- February 2019
- March 2019
- April 2019
- May 2019
- June 2019
- July 2019
- August 2019
- September 2019
- October 2019
- November 2019
- December 2019
Nearby years (G1+ days)
23
69
63
53
20
18
9
27
55
51
46
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Sep 2019 | 5+ | 44 | G1 |
| 31 Aug 2019 | 6- | 38 | G2 |
| 5 Aug 2019 | 5+ | 34 | G1 |
| 14 May 2019 | 6+ | 32 | G2 |
| 25 Oct 2019 | 5+ | 25 | G1 |
| 11 May 2019 | 5o | 24 | G1 |
| 28 Sep 2019 | 5- | 24 | G1 |
| 26 Oct 2019 | 5- | 24 | G1 |
| 28 Feb 2019 | 5- | 23 | G1 |
| 1 Mar 2019 | 4+ | 23 | – |
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.
About this page
2019 had 18 G1+ storm days (No. 91 of 95 years) and 0 G3+ days.