SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 08:29 | - | - | - | - | - | - |
| 08:28 | - | - | - | - | - | - |
| 08:27 | - | - | - | - | - | - |
| 08:26 | 0.85 | 427.7 | - | - | - | - |
| 08:25 | 1.48 | 427.8 | 1.09 | - | - | - |
| 08:24 | 2.86 | 449.8 | 0.39 | - | - | - |
| 08:23 | 0.87 | 423.2 | 0.17 | - | - | - |
| 08:22 | 1.74 | 438.8 | -0.14 | - | - | - |
| 08:21 | 1.69 | 429.9 | 0.30 | - | - | - |
| 08:20 | 1.89 | 430.3 | -0.13 | - | - | - |
| 08:19 | 1.66 | 426.8 | 0.12 | - | - | - |
| 08:18 | 1.53 | 424.1 | 0.07 | - | - | - |
| 08:17 | 1.78 | 424.7 | -0.41 | - | - | - |
| 08:16 | 2.22 | 430.6 | -0.37 | - | - | - |
| 08:15 | 2.60 | 438.9 | -0.44 | - | - | - |
| 08:14 | 0.68 | 421.1 | 0.01 | - | - | - |
| 08:13 | 0.78 | 423.1 | 0.80 | - | - | - |
| 08:12 | 1.25 | 431.0 | 1.00 | - | - | - |
| 08:11 | 1.83 | 435.1 | 0.27 | - | - | - |
| 08:10 | 2.11 | 439.6 | 0.47 | - | - | - |
| 08:09 | 0.54 | 411.7 | 0.32 | - | - | - |
| 08:08 | 1.64 | 432.3 | 0.03 | - | - | - |
| 08:07 | 2.52 | 435.9 | -0.22 | 2.5 | 435.9 | -0.2 |
| 08:06 | 2.26 | 428.9 | -0.59 | 2.3 | 428.9 | -0.6 |
| 08:05 | 1.01 | 414.7 | -0.69 | 1.0 | 414.7 | -0.7 |
| 08:04 | 1.90 | 425.3 | 0.00 | 1.9 | 425.3 | -0.0 |
| 08:03 | 2.65 | 433.7 | -0.58 | 2.7 | 433.7 | -0.6 |
| 08:02 | 2.60 | 433.6 | -0.64 | 2.6 | 433.6 | -0.6 |
| 08:01 | 2.77 | 435.5 | -0.72 | 2.8 | 435.5 | -0.7 |
| 08:00 | 1.80 | 438.5 | -0.99 | 1.8 | 438.5 | -1.0 |
| 07:59 | 1.35 | 418.3 | -0.74 | 1.3 | 418.3 | -0.7 |
| 07:58 | 2.37 | 432.4 | -0.54 | 2.4 | 432.4 | -0.5 |
| 07:57 | 2.45 | 434.9 | -0.77 | 2.5 | 434.9 | -0.8 |
| 07:56 | 2.75 | 441.8 | -0.97 | 2.8 | 441.8 | -1.0 |
| 07:55 | 0.71 | 415.4 | -0.93 | 0.7 | 415.4 | -0.9 |
| 07:54 | 2.29 | 434.0 | -1.03 | 2.3 | 434.0 | -1.0 |
| 07:53 | 2.39 | 430.3 | -1.04 | 2.4 | 430.3 | -1.0 |
| 07:52 | 2.84 | 440.6 | -1.25 | 2.8 | 440.6 | -1.3 |
| 07:51 | 1.13 | 415.0 | -0.98 | 1.1 | 415.0 | -1.0 |
| 07:50 | 2.30 | 435.8 | -1.37 | 2.3 | 435.8 | -1.4 |
| 07:49 | 1.93 | 439.4 | -0.28 | 1.9 | 439.4 | -0.3 |
| 07:48 | 2.49 | 443.9 | 0.22 | 2.5 | 443.9 | 0.2 |
| 07:47 | 2.94 | 442.6 | -0.29 | 2.9 | 442.6 | -0.3 |
| 07:46 | 2.79 | 439.5 | -1.41 | 2.8 | 439.5 | -1.4 |
| 07:45 | 2.66 | 439.7 | -1.27 | 2.7 | 439.7 | -1.3 |
| 07:44 | 2.48 | 437.7 | -0.91 | 2.5 | 437.7 | -0.9 |
| 07:43 | 1.41 | 433.5 | -1.81 | 2.4 | 434.9 | -1.8 |
| 07:42 | 2.77 | 437.5 | -1.92 | 2.8 | 437.5 | -1.9 |
| 07:41 | 2.09 | 430.4 | -0.93 | 2.1 | 430.4 | -0.9 |
| 07:40 | 2.02 | 430.7 | -0.68 | 2.0 | 430.7 | -0.7 |
| 07:39 | 1.69 | 432.7 | 0.15 | 1.7 | 432.7 | 0.2 |
| 07:38 | 2.13 | 437.0 | 0.42 | 2.1 | 437.0 | 0.4 |
| 07:37 | 0.76 | 419.5 | 0.28 | 0.8 | 419.5 | 0.3 |
| 07:36 | 1.17 | 435.6 | 0.80 | 1.2 | 435.6 | 0.8 |
| 07:35 | 1.63 | 431.4 | 1.05 | 1.6 | 431.4 | 1.0 |
| 07:34 | 1.36 | 433.1 | 0.99 | 1.4 | 433.1 | 1.0 |
| 07:33 | 0.82 | 422.3 | 0.91 | 0.8 | 422.3 | 0.9 |
| 07:32 | 0.81 | 436.4 | 1.13 | 0.8 | 436.4 | 1.1 |
| 07:31 | 0.84 | 444.7 | 1.09 | 0.8 | 444.7 | 1.1 |
| 07:30 | 1.13 | 441.6 | 1.73 | 1.1 | 441.6 | 1.7 |
| 07:29 | 1.14 | 432.6 | 1.19 | 1.1 | 432.6 | 1.2 |
| 07:28 | 0.96 | 426.1 | 0.92 | 1.0 | 426.1 | 0.9 |
| 07:27 | 1.43 | 424.7 | 0.74 | 1.4 | 424.7 | 0.7 |
| 07:26 | 1.47 | 420.8 | 0.38 | 2.0 | 421.4 | 0.4 |
| 07:25 | 1.91 | 425.5 | -0.65 | 1.9 | 425.5 | -0.6 |
| 07:24 | 2.27 | 431.4 | -0.21 | 2.3 | 431.4 | -0.2 |
| 07:23 | 1.16 | 414.4 | -0.42 | 1.2 | 414.4 | -0.4 |
| 07:22 | 1.85 | 426.0 | -0.98 | 1.9 | 426.0 | -1.0 |
| 07:21 | 1.19 | 441.1 | -0.03 | 1.2 | 441.1 | -0.0 |
| 07:20 | 0.60 | 475.8 | 1.55 | 0.6 | 475.8 | 1.5 |
| 07:19 | 0.53 | 432.1 | 3.09 | 0.5 | 432.1 | 3.1 |
| 07:18 | 1.16 | 431.7 | 2.53 | 1.2 | 431.7 | 2.5 |
| 07:17 | 0.54 | 407.5 | 1.17 | 0.5 | 407.5 | 1.2 |
| 07:16 | 0.89 | 429.3 | 1.59 | 0.9 | 429.3 | 1.6 |
| 07:15 | 0.80 | 427.2 | 1.52 | 0.8 | 427.2 | 1.5 |
| 07:14 | 0.65 | 439.9 | 1.16 | 0.6 | 439.9 | 1.2 |
| 07:13 | 0.61 | 461.5 | 2.01 | 0.6 | 456.2 | 2.0 |
| 07:12 | 0.63 | 465.2 | 3.09 | 0.6 | 465.2 | 3.1 |
| 07:11 | 0.72 | 460.0 | 2.57 | 0.7 | 460.0 | 2.6 |
| 07:10 | 0.37 | 449.5 | 2.41 | 0.5 | 452.5 | 2.4 |
| 07:09 | 0.56 | 460.2 | 2.60 | 0.6 | 460.2 | 2.6 |
| 07:08 | 0.40 | 455.4 | 2.75 | 0.4 | 455.4 | 2.7 |
| 07:07 | 0.43 | 456.3 | 2.48 | 0.4 | 456.3 | 2.5 |
| 07:06 | 0.74 | 466.9 | 2.31 | 0.7 | 466.9 | 2.3 |
| 07:05 | 0.56 | 463.9 | 1.88 | 0.6 | 463.9 | 1.9 |
| 07:04 | 0.53 | 462.4 | 2.42 | 0.5 | 462.4 | 2.4 |
| 07:03 | 0.91 | 446.0 | 2.23 | 0.9 | 446.0 | 2.2 |
| 07:02 | 0.89 | 442.4 | 1.58 | 0.9 | 442.4 | 1.6 |
| 07:01 | 0.58 | 425.1 | 1.52 | 0.6 | 425.1 | 1.5 |
| 07:00 | - | - | 1.69 | - | - | 1.7 |
| 06:59 | - | - | 1.85 | - | - | 1.8 |
| 06:58 | 1.73 | 431.0 | -0.52 | 1.7 | 431.0 | -0.5 |
| 06:57 | 1.53 | 433.1 | 0.21 | 1.5 | 433.1 | 0.2 |
| 06:56 | 1.28 | 433.2 | 0.19 | 1.3 | 433.2 | 0.2 |
| 06:55 | 1.17 | 435.8 | 0.63 | 1.2 | 435.8 | 0.6 |
| 06:54 | 0.96 | 440.2 | 0.90 | 1.0 | 440.2 | 0.9 |
| 06:53 | 1.03 | 442.5 | 1.36 | 1.0 | 442.5 | 1.4 |
| 06:52 | 0.85 | 458.8 | 2.03 | 0.8 | 458.8 | 2.0 |
| 06:51 | 0.69 | 431.5 | 1.75 | 0.7 | 431.5 | 1.8 |
| 06:50 | 0.84 | 441.7 | 1.25 | 0.8 | 441.7 | 1.3 |
| 06:49 | 0.49 | 470.0 | 2.61 | 0.5 | 470.0 | 2.6 |
| 06:48 | 0.58 | 489.5 | 3.05 | 0.6 | 489.5 | 3.0 |
| 06:47 | 0.40 | 447.3 | 2.52 | 0.4 | 447.3 | 2.5 |
| 06:46 | 0.46 | 462.8 | 3.47 | 0.5 | 462.8 | 3.5 |
| 06:45 | 0.45 | 460.4 | 3.84 | 0.5 | 460.4 | 3.8 |
| 06:44 | 0.48 | 483.7 | 3.29 | 0.5 | 483.7 | 3.3 |
| 06:43 | 0.47 | 477.0 | 3.26 | 0.5 | 477.0 | 3.3 |
| 06:42 | 0.45 | 469.4 | 3.43 | 0.5 | 469.4 | 3.4 |
| 06:41 | 0.44 | 465.0 | 3.35 | 0.4 | 465.0 | 3.3 |
| 06:40 | 0.47 | 466.8 | 3.18 | 0.5 | 466.8 | 3.2 |
| 06:39 | 0.51 | 479.1 | 3.07 | 0.5 | 479.1 | 3.1 |
| 06:38 | 0.48 | 474.8 | 2.93 | 0.5 | 474.8 | 2.9 |
| 06:37 | 0.48 | 474.8 | 2.98 | 0.5 | 474.8 | 3.0 |
| 06:36 | 0.44 | 486.6 | 3.02 | 0.4 | 486.6 | 3.0 |
| 06:35 | 0.47 | 497.4 | 3.34 | 0.5 | 497.4 | 3.3 |
| 06:34 | 0.47 | 496.5 | 3.83 | 0.5 | 496.5 | 3.8 |
| 06:33 | 0.41 | 441.8 | 3.61 | 0.4 | 441.8 | 3.6 |
| 06:32 | 0.51 | 463.0 | 3.28 | 0.5 | 463.0 | 3.3 |
| 06:31 | 0.67 | 452.4 | 2.95 | 0.7 | 452.4 | 2.9 |
| 06:30 | 0.83 | 457.8 | 2.49 | 0.8 | 457.8 | 2.5 |
Built 2026-04-13 08:30 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -1.9 | 3.1 | -0.0 |
| velocity [km/s] | 407.5 | 475.8 | 432.2 |
| density [cm-3] | 0.5 | 2.9 | 1.7 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 17 | 4 | 39 |
| Maasi (MAS) | 17 | 4 | 39 |
| Kilpisjärvi (KIL) | 17 | 5 | 40 |
| Ivalo (IVA) | 15 | 4 | 33 |
| Muonio (MUO) | 14 | 4 | 34 |
| Sodankylä (SOD) | 14 | 4 | 33 |
| Pello (PEL) | 14 | 4 | 31 |
| Oulujärvi (OUJ) | 13 | 4 | 25 |
| Mekrijärvi (MEK) | 11 | 3 | 19 |
| Hankasalmi (HAN) | 14 | 3 | 20 |
| Nurmijärvi (NUR) | 13 | 4 | 21 |
| Tartu (TAR) | 11 | 2 | 17 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2026-04-13 08:17 from source
Issue Time: 2026-04-12 13:17 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3672
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 1082 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3672
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 1082 pfu
Issue Time: 2026-04-12 09:45 UTC
CANCEL WARNING: Geomagnetic K-index of 4 expected
Cancel Serial Number: 5316
Original Issue Time: 2026-04-10 01:43 UTC
Comment: Active conditions (Kp=4) are no longer expected to occur.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
CANCEL WARNING: Geomagnetic K-index of 4 expected
Cancel Serial Number: 5316
Original Issue Time: 2026-04-10 01:43 UTC
Comment: Active conditions (Kp=4) are no longer expected to occur.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-04-11 17:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5315
Valid From: 2026-04-10 01:45 UTC
Now Valid Until: 2026-04-12 15:00 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: 5315
Valid From: 2026-04-10 01:45 UTC
Now Valid Until: 2026-04-12 15:00 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: 2026-04-11 13:06 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3671
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 1714 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3671
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 1714 pfu
Issue Time: 2026-04-10 14:26 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-04-10 14:25 UTC
Valid To: 2026-04-11 09:00 UTC
Warning Condition: Onset
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: 2026-04-10 14:25 UTC
Valid To: 2026-04-11 09:00 UTC
Warning Condition: Onset
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: 2026-04-10 14:07 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3670
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 10680 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3670
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 10680 pfu
Issue Time: 2026-04-10 13:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5314
Valid From: 2026-04-10 01:45 UTC
Now Valid Until: 2026-04-11 18:00 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: 5314
Valid From: 2026-04-10 01:45 UTC
Now Valid Until: 2026-04-11 18:00 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.
Built 2026-04-13 05:46 from source
