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Solar wind
speed: 384.2 km/sec
density: 5.6 protons/cm3
Updated: Today at 0916 UT

X-ray Solar Flares
6-hr max: B3 0555 UT Feb26
24-hr: C5 2140 UT Feb25
Updated: Today at: 0920 UT
Daily Sun: 26 Feb 22


These two sunspots have simple, stable magnetic fields that pose no threat for strong flares. Credit: SDO/HMI
Current Auroral Oval:

Planetary K-index
Now: Kp= 1 quiet
24-hr max: Kp= 2 quiet
explanation | more data

Interplanetary Mag. Field
Btotal: 3.6 nT
Bz: 3.0 nT north
more data: ACE, DSCOVR
Updated: Today at 0915 UT
Coronal Holes: 26 Feb 22



Solar wind flowing from this equatorial coronal hole could reach Earth on Feb. 28-March 1. Credit: SDO/AIA
SOLAR WIND, INCOMING: A stream of solar wind is approaching Earth. Estimated time of arrival: Feb. 28th. The gaseous material is flowing from an irregular hole in the sun's atmosphere, and could spark Arctic auroras when it reaches our planet.
Solar wind
speed: 462.5 km/sec
density: 12.2 protons/cm3
Updated: Today at 1105 UT

X-ray Solar Flares
6-hr max: C1 0626 UT Feb27
24-hr: C1 0626 UT Feb27
Updated: Today at: 1110 UT
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Daily Sun: 27 Feb 22

These two sunspots have simple, stable magnetic fields that pose no threat for strong flares. Credit: SDO/HMI
Current Auroral Oval:

Planetary K-index
Now: Kp= 4 unsettled
24-hr max: Kp= 4 unsettled
explanation | more data

Interplanetary Mag. Field
Btotal: 10.5 nT
Bz: 9.8 nT north
more data: ACE, DSCOVR
Updated: Today at 1105 UT
Coronal Holes: 27 Feb 22

Solar wind flowing from this equatorial coronal hole could reach Earth on Feb. 28-March 1. Credit: SDO/AIA
SOLAR WIND, INCOMING: A stream of solar wind is approaching Earth. Estimated time of arrival: Feb. 28-Mar. 1. The gaseous material is flowing from an irregular hole in the sun's atmosphere, and could spark Arctic auroras when it reaches our planet.
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THE SOLAR WIND HAS ARRIVED: Earth is inside a stream of solar wind flowing from a loosely organized cluster of holes in the sun's atmosphere. Geomagnetic storms are not expected at this time. However, lesser geomagnetic unrest and bright auroras are possible inside the Arctic Circle.
Solar wind
speed: 490.1 km/sec
density: 7.0 protons/cm3
more data: ACE, DSCOVR
Updated: Today at 1422 UT

X-ray Solar Flares
6-hr max: C1 0939 UT Feb28
24-hr: C1 0939 UT Feb28
explanation | more data
Updated: Today at: 1435 UT
Space Weather Today pinned ยซSolar wind speed: 490.1 km/sec density: 7.0 protons/cm3 more data: ACE, DSCOVR Updated: Today at 1422 UT X-ray Solar Flares 6-hr max: C1 0939 UT Feb28 24-hr: C1 0939 UT Feb28 explanation | more data Updated: Today at: 1435 UTยป