SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 01:47 | - | - | - | - | - | - |
| 01:46 | - | - | - | - | - | - |
| 01:45 | - | - | -2.00 | - | - | - |
| 01:44 | 4.39 | 455.6 | -1.27 | - | - | - |
| 01:43 | 4.27 | 452.3 | -1.83 | - | - | - |
| 01:42 | 3.98 | 452.0 | -1.90 | - | - | - |
| 01:41 | 4.38 | 452.9 | -1.64 | - | - | - |
| 01:40 | 4.49 | 452.9 | -1.59 | - | - | - |
| 01:39 | 4.45 | 453.3 | -1.59 | - | - | - |
| 01:38 | 4.59 | 450.5 | -1.43 | - | - | - |
| 01:37 | 4.89 | 447.1 | -1.39 | - | - | - |
| 01:36 | 4.91 | 447.0 | -1.29 | - | - | - |
| 01:35 | 4.83 | 446.6 | -1.29 | - | - | - |
| 01:34 | 4.61 | 449.1 | -1.26 | - | - | - |
| 01:33 | 4.37 | 451.6 | -1.35 | - | - | - |
| 01:32 | 4.40 | 451.9 | -1.43 | - | - | - |
| 01:31 | 4.37 | 453.3 | -1.44 | - | - | - |
| 01:30 | 4.11 | 453.7 | -1.29 | - | - | - |
| 01:29 | 4.45 | 453.6 | -1.25 | - | - | - |
| 01:28 | 4.14 | 454.2 | -1.24 | - | - | - |
| 01:27 | 4.04 | 456.1 | -1.28 | 4.0 | 456.1 | -1.3 |
| 01:26 | 3.63 | 454.8 | -1.37 | 3.6 | 454.8 | -1.4 |
| 01:25 | 4.78 | 453.0 | -1.18 | 4.8 | 453.0 | -1.2 |
| 01:24 | 4.76 | 454.1 | -1.05 | 4.8 | 454.1 | -1.1 |
| 01:23 | 4.88 | 453.8 | -1.10 | 4.9 | 453.8 | -1.1 |
| 01:22 | 4.91 | 451.6 | -1.25 | 4.9 | 451.6 | -1.3 |
| 01:21 | 4.91 | 451.0 | -1.41 | 4.9 | 451.0 | -1.4 |
| 01:20 | 4.93 | 451.2 | -1.32 | 4.9 | 451.2 | -1.3 |
| 01:19 | 4.83 | 449.9 | -1.34 | 4.8 | 449.9 | -1.3 |
| 01:18 | 4.88 | 449.1 | -1.18 | 4.9 | 449.1 | -1.2 |
| 01:17 | 4.93 | 449.5 | -1.13 | 4.9 | 449.5 | -1.1 |
| 01:16 | 4.90 | 450.0 | -1.13 | 4.9 | 450.0 | -1.1 |
| 01:15 | 4.69 | 450.4 | -1.15 | 4.7 | 450.4 | -1.1 |
| 01:14 | 4.31 | 449.7 | -1.23 | 4.3 | 449.7 | -1.2 |
| 01:13 | 5.03 | 447.7 | -1.39 | 5.0 | 447.7 | -1.4 |
| 01:12 | 5.15 | 448.9 | -1.60 | 5.1 | 448.9 | -1.6 |
| 01:11 | 5.06 | 448.7 | -1.60 | 5.1 | 448.7 | -1.6 |
| 01:10 | 4.68 | 446.3 | -1.58 | 4.7 | 446.3 | -1.6 |
| 01:09 | 5.17 | 447.5 | -1.70 | 5.2 | 447.5 | -1.7 |
| 01:08 | 4.83 | 446.8 | -1.74 | 4.8 | 446.8 | -1.7 |
| 01:07 | 4.86 | 447.0 | -1.55 | 4.9 | 447.0 | -1.5 |
| 01:06 | 4.79 | 447.1 | -1.53 | 4.8 | 447.1 | -1.5 |
| 01:05 | 4.93 | 447.7 | -1.26 | 4.9 | 447.7 | -1.3 |
| 01:04 | 4.78 | 447.5 | -1.39 | 4.8 | 447.5 | -1.4 |
| 01:03 | 4.67 | 448.9 | -1.36 | 4.7 | 448.9 | -1.4 |
| 01:02 | 4.70 | 448.9 | -1.35 | 4.7 | 448.9 | -1.3 |
| 01:01 | 4.81 | 448.7 | -1.24 | 4.8 | 448.7 | -1.2 |
| 01:00 | 4.90 | 449.2 | -1.21 | 4.9 | 449.2 | -1.2 |
| 00:59 | 4.75 | 447.9 | -1.31 | 4.8 | 447.9 | -1.3 |
| 00:58 | 4.49 | 446.8 | -1.20 | 4.5 | 446.8 | -1.2 |
| 00:57 | 4.56 | 447.0 | -1.28 | 4.6 | 447.0 | -1.3 |
| 00:56 | 4.64 | 446.5 | -1.40 | 4.6 | 446.5 | -1.4 |
| 00:55 | 4.65 | 446.4 | -1.46 | 4.7 | 446.4 | -1.5 |
| 00:54 | 5.05 | 447.0 | -1.67 | 5.1 | 447.0 | -1.7 |
| 00:53 | 4.69 | 447.0 | -1.56 | 4.7 | 447.0 | -1.6 |
| 00:52 | 4.84 | 447.0 | -1.27 | 4.8 | 447.0 | -1.3 |
| 00:51 | 4.55 | 446.4 | -1.12 | 4.6 | 446.4 | -1.1 |
| 00:50 | 4.83 | 447.2 | -1.31 | 4.8 | 447.2 | -1.3 |
| 00:49 | 4.86 | 447.5 | -1.33 | 4.9 | 447.5 | -1.3 |
| 00:48 | 4.84 | 447.5 | -1.37 | 4.8 | 447.5 | -1.4 |
| 00:47 | 4.53 | 448.6 | -1.27 | 4.5 | 448.6 | -1.3 |
| 00:46 | 4.64 | 448.7 | -1.30 | 4.6 | 448.7 | -1.3 |
| 00:45 | 4.92 | 448.6 | -1.38 | 4.9 | 448.6 | -1.4 |
| 00:44 | 4.89 | 448.3 | -1.26 | 4.9 | 448.3 | -1.3 |
| 00:43 | 4.53 | 448.1 | -1.21 | 4.5 | 448.1 | -1.2 |
| 00:42 | 4.59 | 447.8 | -1.29 | 4.6 | 447.8 | -1.3 |
| 00:41 | 4.71 | 447.7 | -1.28 | 4.7 | 447.7 | -1.3 |
| 00:40 | 5.12 | 448.5 | -1.16 | 5.1 | 448.5 | -1.2 |
| 00:39 | 4.81 | 448.0 | -1.09 | 4.8 | 448.0 | -1.1 |
| 00:38 | 4.77 | 449.3 | -1.27 | 4.8 | 449.3 | -1.3 |
| 00:37 | 4.72 | 448.3 | -1.41 | 4.7 | 448.3 | -1.4 |
| 00:36 | 5.02 | 449.5 | -1.77 | 5.0 | 449.5 | -1.8 |
| 00:35 | 4.79 | 448.7 | -1.62 | 4.8 | 448.7 | -1.6 |
| 00:34 | 5.19 | 450.3 | -1.77 | 5.2 | 450.3 | -1.8 |
| 00:33 | 5.29 | 450.4 | -1.94 | 5.3 | 450.4 | -1.9 |
| 00:32 | 5.12 | 449.3 | -1.37 | 5.1 | 449.3 | -1.4 |
| 00:31 | 4.57 | 447.4 | -1.52 | 4.6 | 447.4 | -1.5 |
| 00:30 | 4.67 | 447.7 | -1.63 | 4.7 | 447.7 | -1.6 |
| 00:29 | 4.98 | 449.2 | -1.60 | 5.0 | 449.2 | -1.6 |
| 00:28 | 4.94 | 449.5 | -1.86 | 4.9 | 449.5 | -1.9 |
| 00:27 | 4.89 | 448.8 | -1.86 | 4.9 | 448.8 | -1.9 |
| 00:26 | 4.77 | 448.1 | -1.78 | 4.8 | 448.1 | -1.8 |
| 00:25 | 5.22 | 449.5 | -1.81 | 5.2 | 449.5 | -1.8 |
| 00:24 | 4.98 | 449.3 | -1.62 | 5.0 | 449.3 | -1.6 |
| 00:23 | 5.23 | 452.2 | -1.87 | 5.2 | 452.2 | -1.9 |
| 00:22 | 5.27 | 451.4 | -1.86 | 5.3 | 451.4 | -1.9 |
| 00:21 | 5.38 | 451.8 | -2.00 | 5.4 | 451.8 | -2.0 |
| 00:20 | 5.10 | 450.5 | -1.83 | 5.1 | 450.5 | -1.8 |
| 00:19 | 4.94 | 450.2 | -1.66 | 4.9 | 450.2 | -1.7 |
| 00:18 | 5.02 | 450.0 | -1.12 | 5.0 | 450.0 | -1.1 |
| 00:17 | 5.10 | 450.0 | -1.09 | 5.1 | 450.0 | -1.1 |
| 00:16 | 4.94 | 449.5 | -1.10 | 4.9 | 449.5 | -1.1 |
| 00:15 | 4.84 | 449.2 | -0.73 | 4.8 | 449.2 | -0.7 |
| 00:14 | 4.39 | 455.9 | -0.24 | 4.4 | 455.9 | -0.2 |
| 00:13 | 4.57 | 456.8 | -0.30 | 4.6 | 456.8 | -0.3 |
| 00:12 | 4.59 | 457.1 | -0.26 | 4.6 | 457.1 | -0.3 |
| 00:11 | 4.38 | 455.1 | -0.33 | 4.4 | 455.1 | -0.3 |
| 00:10 | 4.71 | 453.8 | -1.01 | 4.7 | 453.8 | -1.0 |
| 00:09 | 4.87 | 454.0 | -0.54 | 4.9 | 454.0 | -0.5 |
| 00:08 | 4.79 | 454.3 | -0.78 | 4.8 | 454.3 | -0.8 |
| 00:07 | 4.14 | 454.9 | -0.54 | 4.1 | 454.9 | -0.5 |
| 00:06 | 4.37 | 460.8 | -0.41 | 4.4 | 460.8 | -0.4 |
| 00:05 | 4.53 | 454.8 | -0.57 | 4.5 | 454.8 | -0.6 |
| 00:04 | 4.54 | 454.6 | -0.75 | 4.5 | 454.6 | -0.7 |
| 00:03 | 4.14 | 452.4 | -0.97 | 4.1 | 452.4 | -1.0 |
| 00:02 | 4.25 | 457.9 | -1.13 | 4.2 | 457.9 | -1.1 |
| 00:01 | 4.29 | 458.0 | -1.15 | 4.3 | 458.0 | -1.1 |
| 00:00 | 4.35 | 457.8 | -1.06 | 4.3 | 457.8 | -1.1 |
| 23:59 | 4.11 | 459.8 | -1.18 | 4.1 | 459.8 | -1.2 |
| 23:58 | 4.02 | 460.5 | -1.13 | 4.0 | 460.5 | -1.1 |
| 23:57 | 4.08 | 457.9 | -1.30 | 4.1 | 457.9 | -1.3 |
| 23:56 | 4.10 | 457.3 | -1.26 | 4.1 | 457.3 | -1.3 |
| 23:55 | 4.05 | 459.9 | -1.19 | 4.1 | 459.9 | -1.2 |
| 23:54 | 3.86 | 459.5 | -1.04 | 3.9 | 459.5 | -1.0 |
| 23:53 | 4.13 | 462.3 | -0.99 | 4.1 | 462.3 | -1.0 |
| 23:52 | 3.98 | 462.9 | -0.88 | 4.0 | 462.9 | -0.9 |
| 23:51 | 3.65 | 463.1 | -0.86 | 3.7 | 463.1 | -0.9 |
| 23:50 | 3.76 | 463.0 | -0.91 | 3.8 | 463.0 | -0.9 |
| 23:49 | 4.13 | 462.9 | -1.67 | 4.1 | 462.9 | -1.7 |
| 23:48 | 4.00 | 462.7 | -1.79 | 4.0 | 462.7 | -1.8 |
Built 2026-01-28 01:48 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -1.7 | -1.1 | -1.4 |
| velocity [km/s] | 446.3 | 456.1 | 449.6 |
| density [cm-3] | 3.6 | 5.2 | 4.7 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 45 | 9 | 212 |
| Maasi (MAS) | 49 | 9 | 215 |
| Kilpisjärvi (KIL) | 54 | 9 | 222 |
| Ivalo (IVA) | 39 | 6 | 184 |
| Muonio (MUO) | - | 6 | 204 |
| Sodankylä (SOD) | 34 | 5 | 170 |
| Pello (PEL) | 24 | 5 | 147 |
| Oulujärvi (OUJ) | 11 | 4 | 57 |
| Mekrijärvi (MEK) | 7 | 2 | 25 |
| Hankasalmi (HAN) | 11 | 2 | 25 |
| Nurmijärvi (NUR) | - | 3 | 24 |
| Tartu (TAR) | 4 | 2 | 20 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2026-01-28 01:47 from source
Issue Time: 2026-01-27 21:04 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-01-27 21:03 UTC
Valid To: 2026-01-28 23:59 UTC
Warning Condition: Onset
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: 2026-01-27 21:03 UTC
Valid To: 2026-01-28 23:59 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-01-27 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3611
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 8394 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3611
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 8394 pfu
Issue Time: 2026-01-26 09:06 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Jan 27: None (Below G1) Jan 28: G1 (Minor) Jan 29: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: Negative polarity CH influences will likely lead to isolated G1 (Minor) geomanetic storming periods on 28 Jan.
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
Jan 27: None (Below G1) Jan 28: G1 (Minor) Jan 29: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: Negative polarity CH influences will likely lead to isolated G1 (Minor) geomanetic storming periods on 28 Jan.
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: 2026-01-26 05:01 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3610
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 6155 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3610
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 6155 pfu
Issue Time: 2026-01-25 17:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5238
Valid From: 2026-01-25 02:45 UTC
Now Valid Until: 2026-01-26 03:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5238
Valid From: 2026-01-25 02:45 UTC
Now Valid Until: 2026-01-26 03:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-01-25 11:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5237
Valid From: 2026-01-25 02:45 UTC
Now Valid Until: 2026-01-25 18:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5237
Valid From: 2026-01-25 02:45 UTC
Now Valid Until: 2026-01-25 18:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-01-25 05:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3609
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 5171 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3609
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 5171 pfu
Issue Time: 2026-01-25 02:48 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-01-25 02:45 UTC
Valid To: 2026-01-25 12:00 UTC
Warning Condition: Onset
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: 2026-01-25 02:45 UTC
Valid To: 2026-01-25 12:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Built 2026-01-27 22:57 from source
