SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 02:50 | - | - | - | - | - | - |
| 02:49 | - | - | - | - | - | - |
| 02:48 | - | - | -0.48 | - | - | - |
| 02:47 | 4.73 | 422.2 | -0.25 | 4.7 | 422.2 | -0.3 |
| 02:46 | 4.43 | 410.9 | -0.03 | 4.4 | 410.9 | -0.0 |
| 02:45 | 4.48 | 409.5 | -1.20 | 4.5 | 409.5 | -1.2 |
| 02:44 | 4.56 | 414.3 | -1.25 | 4.6 | 414.3 | -1.2 |
| 02:43 | 4.41 | 415.2 | -0.84 | 4.4 | 415.2 | -0.8 |
| 02:42 | 4.04 | 412.6 | -1.29 | 4.0 | 412.6 | -1.3 |
| 02:41 | 3.57 | 408.1 | -1.55 | 3.6 | 408.1 | -1.6 |
| 02:40 | 3.71 | 412.2 | -1.53 | 3.7 | 412.2 | -1.5 |
| 02:39 | 3.22 | 415.5 | -1.09 | 3.2 | 415.5 | -1.1 |
| 02:38 | 2.88 | 381.7 | -0.47 | 2.9 | 381.7 | -0.5 |
| 02:37 | 3.03 | 407.5 | -0.21 | 3.0 | 407.5 | -0.2 |
| 02:36 | 3.11 | 400.7 | -0.73 | 3.1 | 400.7 | -0.7 |
| 02:35 | 3.76 | 410.2 | -1.02 | 3.8 | 410.2 | -1.0 |
| 02:34 | 2.67 | 385.6 | -1.22 | 2.7 | 385.6 | -1.2 |
| 02:33 | 2.55 | 382.9 | -0.92 | 2.6 | 382.9 | -0.9 |
| 02:32 | 3.52 | 405.3 | -0.93 | 3.5 | 405.3 | -0.9 |
| 02:31 | 2.50 | 392.4 | -0.97 | 2.5 | 392.4 | -1.0 |
| 02:30 | 2.55 | 392.2 | -0.34 | 2.5 | 392.2 | -0.3 |
| 02:29 | 3.01 | 396.6 | -0.79 | 3.0 | 396.6 | -0.8 |
| 02:28 | 3.48 | 404.0 | -0.91 | 3.5 | 404.0 | -0.9 |
| 02:27 | 2.91 | 397.8 | -1.24 | 2.9 | 397.8 | -1.2 |
| 02:26 | 2.13 | 386.8 | -1.70 | 2.1 | 386.8 | -1.7 |
| 02:25 | 2.98 | 396.8 | -1.65 | 3.0 | 396.8 | -1.7 |
| 02:24 | 3.33 | 400.1 | -1.71 | 3.3 | 400.1 | -1.7 |
| 02:23 | 3.34 | 401.4 | -1.46 | 3.3 | 401.4 | -1.5 |
| 02:22 | 3.37 | 400.3 | -0.93 | 3.4 | 400.3 | -0.9 |
| 02:21 | 3.33 | 397.3 | -0.82 | 3.3 | 397.3 | -0.8 |
| 02:20 | 3.40 | 404.8 | -0.54 | 3.4 | 404.8 | -0.5 |
| 02:19 | 2.35 | 388.5 | -0.45 | 2.4 | 388.5 | -0.4 |
| 02:18 | 2.76 | 396.5 | -0.43 | 2.8 | 396.5 | -0.4 |
| 02:17 | 3.06 | 399.2 | -0.52 | 3.1 | 399.2 | -0.5 |
| 02:16 | 3.77 | 404.8 | -0.45 | 3.8 | 404.8 | -0.5 |
| 02:15 | 3.00 | 395.4 | -0.23 | 3.0 | 395.4 | -0.2 |
| 02:14 | 2.79 | 393.7 | -0.33 | 2.8 | 393.7 | -0.3 |
| 02:13 | 3.11 | 395.8 | -0.37 | 3.1 | 395.8 | -0.4 |
| 02:12 | 3.22 | 395.5 | -0.24 | 3.2 | 395.5 | -0.2 |
| 02:11 | 3.32 | 396.3 | -0.02 | 3.3 | 396.3 | -0.0 |
| 02:10 | 3.61 | 397.0 | 0.08 | 3.6 | 397.0 | 0.1 |
| 02:09 | 3.94 | 398.2 | -0.47 | 3.9 | 398.2 | -0.5 |
| 02:08 | 3.75 | 400.7 | -0.41 | 3.8 | 400.7 | -0.4 |
| 02:07 | 2.30 | 386.8 | -0.13 | 2.3 | 386.8 | -0.1 |
| 02:06 | 3.14 | 405.3 | -0.23 | 3.1 | 405.3 | -0.2 |
| 02:05 | 3.37 | 400.4 | 0.00 | 3.4 | 400.4 | -0.0 |
| 02:04 | 3.63 | 408.8 | 0.47 | 3.6 | 408.8 | 0.5 |
| 02:03 | 2.75 | 399.6 | 0.71 | 2.8 | 399.6 | 0.7 |
| 02:02 | 3.81 | 410.8 | 0.49 | 3.8 | 410.8 | 0.5 |
| 02:01 | 3.67 | 399.1 | 0.04 | 3.7 | 399.1 | 0.0 |
| 02:00 | 3.62 | 396.5 | 0.30 | 3.6 | 396.5 | 0.3 |
| 01:59 | 3.22 | 408.0 | 0.46 | 3.2 | 408.0 | 0.5 |
| 01:58 | 3.25 | 407.8 | 0.33 | 3.3 | 407.8 | 0.3 |
| 01:57 | 3.12 | 406.9 | 0.16 | 3.1 | 406.9 | 0.2 |
| 01:56 | 2.49 | 396.2 | 0.33 | 2.5 | 396.2 | 0.3 |
| 01:55 | 2.42 | 395.9 | 0.57 | 2.4 | 395.9 | 0.6 |
| 01:54 | 3.77 | 408.4 | 0.53 | 3.8 | 408.4 | 0.5 |
| 01:53 | 4.61 | 407.2 | 0.75 | 4.6 | 407.2 | 0.8 |
| 01:52 | 3.54 | 405.1 | 0.63 | 3.5 | 405.1 | 0.6 |
| 01:51 | 3.53 | 403.6 | 0.80 | 3.5 | 403.6 | 0.8 |
| 01:50 | 3.02 | 400.4 | 0.71 | 3.0 | 400.4 | 0.7 |
| 01:49 | 3.08 | 403.4 | 0.99 | 3.1 | 403.4 | 1.0 |
| 01:48 | 2.20 | 399.3 | 0.68 | 2.2 | 399.3 | 0.7 |
| 01:47 | 2.22 | 417.4 | -2.16 | 2.2 | 417.4 | -2.2 |
| 01:46 | 2.14 | 419.2 | -1.98 | 2.1 | 419.2 | -2.0 |
| 01:45 | 2.07 | 416.3 | -1.67 | 2.1 | 416.3 | -1.7 |
| 01:44 | 2.48 | 390.8 | -1.12 | 2.5 | 390.8 | -1.1 |
| 01:43 | 2.63 | 401.5 | -1.11 | 2.6 | 401.5 | -1.1 |
| 01:42 | 2.73 | 407.4 | -0.99 | 2.7 | 407.4 | -1.0 |
| 01:41 | 2.81 | 403.8 | -0.83 | 2.8 | 403.8 | -0.8 |
| 01:40 | 2.84 | 401.8 | -1.16 | 2.8 | 401.8 | -1.2 |
| 01:39 | 3.02 | 404.5 | -1.62 | 3.0 | 404.5 | -1.6 |
| 01:38 | 3.09 | 409.7 | -1.42 | 3.1 | 409.7 | -1.4 |
| 01:37 | 2.82 | 409.2 | -1.43 | 2.8 | 409.2 | -1.4 |
| 01:36 | 2.69 | 403.2 | -1.36 | 2.7 | 403.2 | -1.4 |
| 01:35 | 2.49 | 405.2 | -1.56 | 2.5 | 405.2 | -1.6 |
| 01:34 | 2.41 | 406.9 | -0.79 | 2.4 | 406.9 | -0.8 |
| 01:33 | 3.06 | 414.0 | -0.86 | 3.1 | 414.0 | -0.9 |
| 01:32 | 2.75 | 414.3 | -1.07 | 2.8 | 414.3 | -1.1 |
| 01:31 | 2.87 | 413.4 | -0.90 | 2.9 | 413.4 | -0.9 |
| 01:30 | 3.08 | 417.2 | -0.82 | 3.1 | 417.2 | -0.8 |
| 01:29 | 2.70 | 412.0 | -0.69 | 2.7 | 412.0 | -0.7 |
| 01:28 | 2.72 | 397.0 | -0.70 | 2.7 | 397.0 | -0.7 |
| 01:27 | 2.75 | 392.8 | -0.55 | 2.7 | 392.8 | -0.5 |
| 01:26 | 2.58 | 422.2 | -0.51 | 2.6 | 422.2 | -0.5 |
| 01:25 | 2.50 | 416.3 | -0.70 | 2.5 | 416.3 | -0.7 |
| 01:24 | 2.26 | 407.9 | -0.79 | 2.3 | 407.9 | -0.8 |
| 01:23 | 2.31 | 408.8 | -1.15 | 2.3 | 408.8 | -1.1 |
| 01:22 | 2.47 | 413.2 | -1.10 | 2.5 | 413.2 | -1.1 |
| 01:21 | 2.35 | 410.3 | -1.07 | 2.4 | 410.3 | -1.1 |
| 01:20 | 2.76 | 412.4 | -0.83 | 2.8 | 412.4 | -0.8 |
| 01:19 | 3.25 | 417.7 | -0.32 | 3.2 | 417.7 | -0.3 |
| 01:18 | 2.78 | 417.1 | -0.30 | 2.8 | 417.1 | -0.3 |
| 01:17 | 1.84 | 393.3 | -0.19 | 1.8 | 393.3 | -0.2 |
| 01:16 | 2.60 | 414.6 | -0.10 | 2.6 | 414.6 | -0.1 |
| 01:15 | 2.23 | 411.0 | -0.41 | 2.2 | 411.0 | -0.4 |
| 01:14 | 2.95 | 418.9 | -1.08 | 2.9 | 418.9 | -1.1 |
| 01:13 | 2.49 | 414.8 | -1.32 | 2.5 | 414.8 | -1.3 |
| 01:12 | 2.26 | 410.3 | -1.40 | 2.3 | 410.3 | -1.4 |
| 01:11 | 2.79 | 416.9 | -1.08 | 2.8 | 416.9 | -1.1 |
| 01:10 | 2.22 | 410.6 | -0.94 | 2.2 | 410.6 | -0.9 |
| 01:09 | 2.00 | 410.1 | -1.15 | 2.0 | 410.1 | -1.2 |
| 01:08 | 2.54 | 418.4 | -1.21 | 2.5 | 418.4 | -1.2 |
| 01:07 | 2.71 | 424.1 | -1.36 | 2.7 | 424.1 | -1.4 |
| 01:06 | 1.99 | 412.4 | -1.69 | 2.0 | 412.4 | -1.7 |
| 01:05 | 1.45 | 397.0 | -1.76 | 1.4 | 397.0 | -1.8 |
| 01:04 | 2.31 | 415.5 | -1.89 | 2.3 | 415.5 | -1.9 |
| 01:03 | 2.54 | 417.8 | -1.86 | 2.5 | 417.8 | -1.9 |
| 01:02 | 2.27 | 418.4 | -1.72 | 2.3 | 418.4 | -1.7 |
| 01:01 | 1.95 | 405.2 | -0.74 | 1.9 | 405.2 | -0.7 |
| 01:00 | 2.77 | 424.3 | -0.41 | 2.8 | 424.3 | -0.4 |
| 00:59 | 2.48 | 423.7 | -0.61 | 2.5 | 423.7 | -0.6 |
| 00:58 | 1.50 | 398.3 | -0.72 | 1.5 | 398.3 | -0.7 |
| 00:57 | 2.10 | 410.6 | -0.66 | 2.1 | 410.6 | -0.7 |
| 00:56 | 2.57 | 415.8 | -0.60 | 2.6 | 415.8 | -0.6 |
| 00:55 | 2.64 | 418.2 | -0.27 | 2.6 | 418.2 | -0.3 |
| 00:54 | 2.63 | 419.0 | -0.44 | 2.6 | 419.0 | -0.4 |
| 00:53 | 2.01 | 417.5 | -0.52 | 2.0 | 417.5 | -0.5 |
| 00:52 | 2.22 | 418.1 | -0.24 | 2.2 | 418.1 | -0.2 |
| 00:51 | 2.26 | 416.7 | -1.03 | 2.3 | 416.7 | -1.0 |
Built 2025-07-02 02:51 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -2.2 | 1.0 | -0.5 |
| velocity [km/s] | 381.7 | 419.2 | 400.8 |
| density [cm-3] | 2.1 | 4.6 | 3.1 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 47 | 3 | 154 |
| Maasi (MAS) | 46 | 3 | 159 |
| Kilpisjärvi (KIL) | 40 | 3 | 156 |
| Ivalo (IVA) | 29 | 3 | 111 |
| Muonio (MUO) | - | 3 | 98 |
| Sodankylä (SOD) | 18 | 3 | 65 |
| Pello (PEL) | 15 | 3 | 60 |
| Oulujärvi (OUJ) | 9 | 2 | 27 |
| Mekrijärvi (MEK) | 5 | 1 | 12 |
| Hankasalmi (HAN) | 6 | 2 | 18 |
| Nurmijärvi (NUR) | 4 | 2 | 16 |
| Tartu (TAR) | 2 | 1 | 12 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-07-02 02:47 from source
Issue Time: 2025-07-01 07:48 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3487
Begin Time: 2025-06-27 13:10 UTC
Yesterday Maximum 2MeV Flux: 8730 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3487
Begin Time: 2025-06-27 13:10 UTC
Yesterday Maximum 2MeV Flux: 8730 pfu
Issue Time: 2025-07-01 01:12 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-07-01 01:12 UTC
Valid To: 2025-07-01 09:00 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: 2025-07-01 01:12 UTC
Valid To: 2025-07-01 09:00 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: 2025-06-30 18:56 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Jul 01: None (Below G1) Jul 02: G1 (Minor) Jul 03: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: A CME that left the Sun on 28 June is anticipated to arrive at Earth early to mid UTC day on 02 July and will likely result in G1 (Minor) geomagnetic storming. Lingering CME effects will likely continue into 03 July causing continued, isolated minor storming periods.
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
Jul 01: None (Below G1) Jul 02: G1 (Minor) Jul 03: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: A CME that left the Sun on 28 June is anticipated to arrive at Earth early to mid UTC day on 02 July and will likely result in G1 (Minor) geomagnetic storming. Lingering CME effects will likely continue into 03 July causing continued, isolated minor storming periods.
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: 2025-06-30 05:15 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3486
Begin Time: 2025-06-27 13:10 UTC
Yesterday Maximum 2MeV Flux: 6349 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3486
Begin Time: 2025-06-27 13:10 UTC
Yesterday Maximum 2MeV Flux: 6349 pfu
Issue Time: 2025-06-30 00:10 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Jun 30: None (Below G1) Jul 01: None (Below G1) Jul 02: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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
Jun 30: None (Below G1) Jul 01: None (Below G1) Jul 02: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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: 2025-06-29 05:11 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3485
Begin Time: 2025-06-27 13:10 UTC
Yesterday Maximum 2MeV Flux: 4190 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3485
Begin Time: 2025-06-27 13:10 UTC
Yesterday Maximum 2MeV Flux: 4190 pfu
Built 2025-07-02 01:39 from source
