SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 13:30 | - | - | - | - | - | - |
| 13:29 | - | - | - | - | - | - |
| 13:28 | - | - | - | 1.4 | 479.8 | -1.0 |
| 13:27 | - | - | - | 1.5 | 480.6 | -1.4 |
| 13:26 | - | - | - | 1.5 | 481.1 | -1.4 |
| 13:25 | - | - | - | 1.5 | 478.9 | -1.4 |
| 13:24 | - | - | - | 1.3 | 479.7 | -1.5 |
| 13:23 | - | - | - | 1.5 | 486.2 | -1.5 |
| 13:22 | - | - | - | 1.7 | 485.7 | -1.8 |
| 13:21 | - | - | - | 1.6 | 485.5 | -1.9 |
| 13:20 | - | - | - | 1.5 | 485.1 | -2.0 |
| 13:19 | - | - | - | 1.6 | 485.2 | -2.2 |
| 13:18 | - | - | - | 1.7 | 485.6 | -2.2 |
| 13:17 | - | - | - | 1.8 | 485.7 | -2.6 |
| 13:16 | - | - | - | - | - | -2.7 |
| 13:15 | - | - | - | - | - | -2.7 |
| 13:14 | - | - | - | - | - | -3.4 |
| 13:13 | - | - | - | 1.6 | 489.8 | - |
| 13:12 | - | - | - | 1.6 | 489.8 | -2.3 |
| 13:11 | - | - | - | 1.6 | 490.3 | -2.0 |
| 13:10 | - | - | - | 2.2 | 495.5 | -2.4 |
| 13:09 | - | - | - | 3.6 | 504.0 | -2.9 |
| 13:08 | - | - | - | 4.0 | 502.4 | -2.8 |
| 13:07 | - | - | - | 3.7 | 499.0 | -3.0 |
| 13:06 | - | - | - | 2.8 | 489.2 | -2.3 |
| 13:05 | - | - | - | 2.7 | 485.0 | -1.9 |
| 13:04 | - | - | - | 2.8 | 486.8 | -1.3 |
| 13:03 | - | - | - | 2.9 | 483.6 | -1.6 |
| 13:02 | - | - | - | 3.2 | 484.5 | -1.1 |
| 13:01 | - | - | - | 3.3 | 485.2 | -0.6 |
| 13:00 | - | - | - | 3.5 | 489.6 | -0.3 |
| 12:59 | - | - | - | 3.6 | 492.9 | - |
| 12:58 | - | - | - | 3.9 | 489.2 | -0.1 |
| 12:57 | - | - | - | 4.1 | 488.4 | -0.2 |
| 12:56 | - | - | - | 3.6 | 491.1 | 0.5 |
| 12:55 | - | - | - | 3.1 | 493.9 | 0.6 |
| 12:54 | - | - | - | 2.9 | 492.0 | 0.5 |
| 12:53 | - | - | - | 3.2 | 491.0 | 0.9 |
| 12:52 | - | - | - | 2.6 | 492.2 | 1.7 |
| 12:51 | - | - | - | 3.5 | 493.9 | 1.1 |
| 12:50 | - | - | - | 3.1 | 492.1 | 1.3 |
| 12:49 | - | - | - | 3.3 | 492.0 | 1.2 |
| 12:48 | - | - | - | 3.2 | 488.0 | 0.9 |
| 12:47 | - | - | - | 3.2 | 479.6 | -0.5 |
| 12:46 | - | - | - | 2.9 | 472.4 | -2.3 |
| 12:45 | - | - | - | 2.7 | 470.5 | -1.8 |
| 12:44 | - | - | - | - | - | -2.0 |
| 12:43 | - | - | - | - | - | - |
| 12:42 | - | - | - | - | - | -0.6 |
| 12:41 | - | - | - | 2.7 | 468.6 | -0.4 |
| 12:40 | - | - | - | 3.1 | 481.9 | 0.1 |
| 12:39 | - | - | - | 3.1 | 482.0 | -0.2 |
| 12:38 | - | - | - | 3.3 | 480.4 | -0.5 |
| 12:37 | - | - | - | 2.9 | 468.4 | -0.6 |
| 12:36 | - | - | - | 1.8 | 478.1 | 0.6 |
| 12:35 | - | - | - | 1.6 | 486.6 | 0.7 |
| 12:34 | - | - | - | 2.7 | 484.5 | 0.2 |
| 12:33 | - | - | - | 2.8 | 497.0 | -0.9 |
| 12:32 | - | - | - | 3.0 | 503.7 | -0.3 |
| 12:31 | - | - | - | 2.3 | 497.5 | -0.3 |
| 12:30 | - | - | - | 2.0 | 491.2 | -2.0 |
| 12:29 | - | - | - | 2.0 | 491.8 | -2.7 |
| 12:28 | - | - | - | 2.0 | 494.3 | -2.9 |
| 12:27 | - | - | - | 1.9 | 496.7 | -2.6 |
| 12:26 | - | - | - | 2.1 | 497.5 | -2.7 |
| 12:25 | - | - | - | 2.3 | 497.2 | -2.5 |
| 12:24 | - | - | - | 2.3 | 499.7 | -2.2 |
| 12:23 | - | - | - | 2.4 | 503.6 | -2.2 |
| 12:22 | - | - | - | 2.3 | 504.7 | -1.8 |
| 12:21 | - | - | - | 2.2 | 504.3 | -1.8 |
| 12:20 | - | - | - | 2.2 | 509.0 | -1.3 |
| 12:19 | - | - | - | 2.0 | 504.2 | -1.6 |
| 12:18 | - | - | - | 2.3 | 504.7 | -1.7 |
| 12:17 | - | - | - | 3.2 | 510.0 | -1.7 |
| 12:16 | - | - | - | 1.3 | 490.7 | -1.6 |
| 12:15 | - | - | - | 1.3 | 482.5 | -2.0 |
| 12:14 | - | - | - | 1.4 | 481.1 | -2.0 |
| 12:13 | - | - | - | 2.2 | 494.3 | - |
| 12:12 | - | - | - | 2.4 | 496.4 | -2.2 |
| 12:11 | - | - | - | 2.5 | 499.0 | -1.4 |
| 12:10 | - | - | - | - | - | -0.8 |
| 12:09 | - | - | - | - | - | -0.4 |
| 12:08 | - | - | - | 2.2 | 487.4 | -0.6 |
| 12:07 | - | - | - | 2.3 | 488.9 | -0.5 |
| 12:06 | - | - | - | 2.4 | 489.4 | -0.4 |
| 12:05 | - | - | - | 2.8 | 496.3 | -0.7 |
| 12:04 | - | - | - | 3.0 | 499.3 | -0.9 |
| 12:03 | - | - | - | 2.8 | 502.2 | -0.4 |
| 12:02 | - | - | - | 2.5 | 504.1 | -1.2 |
| 12:01 | - | - | - | 2.4 | 502.5 | -0.9 |
| 12:00 | - | - | - | 2.2 | 503.2 | -1.0 |
| 11:59 | - | - | - | 2.5 | 506.2 | -1.0 |
| 11:58 | - | - | - | 2.6 | 508.6 | -1.1 |
| 11:57 | - | - | - | 3.1 | 502.0 | -0.7 |
| 11:56 | - | - | - | 3.1 | 504.7 | -2.5 |
| 11:55 | - | - | - | 2.7 | 506.8 | -1.3 |
| 11:54 | - | - | - | 2.3 | 504.4 | -1.6 |
| 11:53 | - | - | - | 2.0 | 504.3 | -1.0 |
| 11:52 | - | - | - | 2.0 | 505.6 | -1.0 |
| 11:51 | - | - | - | 2.2 | 509.0 | -1.0 |
| 11:50 | - | - | - | 2.2 | 506.9 | -1.0 |
| 11:49 | - | - | - | 1.9 | 506.2 | -1.2 |
| 11:48 | - | - | - | 2.0 | 499.9 | -1.2 |
| 11:47 | - | - | - | 2.2 | 510.5 | -1.0 |
| 11:46 | - | - | - | 1.8 | 508.0 | -0.8 |
| 11:45 | - | - | - | 1.7 | 500.6 | -0.6 |
| 11:44 | - | - | - | 1.7 | 499.9 | -1.2 |
| 11:43 | - | - | - | 1.5 | 490.7 | -1.2 |
| 11:42 | - | - | - | 1.6 | 496.5 | -1.5 |
| 11:41 | - | - | - | 1.6 | 498.7 | -1.5 |
| 11:40 | - | - | - | 1.4 | 514.8 | -1.4 |
| 11:39 | - | - | - | 1.4 | 507.7 | -1.5 |
| 11:38 | - | - | - | 1.3 | 501.0 | -1.6 |
| 11:37 | - | - | - | 1.7 | 525.5 | -1.4 |
| 11:36 | - | - | - | 1.5 | 511.7 | -1.3 |
| 11:35 | - | - | - | 1.2 | 486.2 | -1.3 |
| 11:34 | - | - | - | 1.2 | 495.6 | -1.8 |
| 11:33 | - | - | - | 1.5 | 484.6 | -1.1 |
| 11:32 | - | - | - | 2.2 | 521.3 | -2.3 |
| 11:31 | - | - | - | 2.1 | 512.1 | -2.2 |
Built 2026-11-01 13:31 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -3.0 | 1.3 | -0.9 |
| velocity [km/s] | 468.4 | 509.0 | 491.6 |
| density [cm-3] | 1.3 | 4.1 | 2.8 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 49 | 10 | 116 |
| Maasi (MAS) | - | 11 | 124 |
| Kilpisjärvi (KIL) | 35 | 11 | 118 |
| Ivalo (IVA) | 30 | 9 | 109 |
| Muonio (MUO) | 33 | 9 | 112 |
| Sodankylä (SOD) | 29 | 9 | 102 |
| Pello (PEL) | 32 | 7 | 92 |
| Oulujärvi (OUJ) | 27 | 6 | 74 |
| Mekrijärvi (MEK) | 17 | 4 | 34 |
| Hankasalmi (HAN) | 16 | 4 | 52 |
| Nurmijärvi (NUR) | 16 | 5 | 51 |
| Tartu (TAR) | 14 | 4 | 36 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2026-11-01 13:17 from source
Issue Time: 2026-11-01 13:02 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026-11-01 13:02 UTC
Station: GOES-19
Comment
ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Threshold Reached: 2026-11-01 13:02 UTC
Station: GOES-19
Comment
Issue Time: 2026-11-01 01:17 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-11-01 01:17 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-11-01 01:17 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2026-11-01 00:08 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-11-01 00:07 UTC
Valid To: 2026-11-01 09:00 UTC
Warning Conditions: Persistence
Noaa Scale: G1 - Minor
Comment: Re-issued due to technical issues with end date of previous warning.
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-11-01 00:07 UTC
Valid To: 2026-11-01 09:00 UTC
Warning Conditions: Persistence
Noaa Scale: G1 - Minor
Comment: Re-issued due to technical issues with end date of previous warning.
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2026-10-31 19:14 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026-10-31 19:14 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G2 - Moderate
Comment
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026-10-31 19:14 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G2 - Moderate
Comment
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2026-10-31 19:08 UTC
WARNING: Geomagnetic K-index of 6 expected
Valid From: 2026-10-31 19:08 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
WARNING: Geomagnetic K-index of 6 expected
Valid From: 2026-10-31 19:08 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2026-10-31 19:07 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-10-31 19:07 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-10-31 19:07 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2026-10-31 19:04 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-10-31 19:01 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-10-31 19:01 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2026-10-31 18:47 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-10-31 18:45 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-10-31 18:45 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-31 12:20 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-10-31 12:35 UTC
Valid To: 2026-11-01 15:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-10-31 12:35 UTC
Valid To: 2026-11-01 15:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-30 23:11 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-10-30 23:10 UTC
Valid To: 2026-10-31 06:00 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-10-30 23:10 UTC
Valid To: 2026-10-31 06:00 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2026-10-30 22:40 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-10-30 22:35 UTC
Synoptic Period: 2100-2400
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-10-30 22:35 UTC
Synoptic Period: 2100-2400
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-30 22:24 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-10-30 22:23 UTC
Valid To: 2026-10-31 12:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-10-30 22:23 UTC
Valid To: 2026-10-31 12:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-30 14:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3761
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 1228 pfu
Max time: 2026-10-29 16:30 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3761
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 1228 pfu
Max time: 2026-10-29 16:30 UTC
Issue Time: 2026-10-29 19:10 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Oct 30: None (Below G1) Oct 31: G1 (Minor) Nov 01: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Oct 30: None (Below G1) Oct 31: G1 (Minor) Nov 01: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2026-10-29 16:14 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3760
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 2493 pfu
Max time: 2026-10-28 18:05 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3760
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 2493 pfu
Max time: 2026-10-28 18:05 UTC
Built 2026-11-01 13:04 from source












