This page was rendered on 18-Oct-25 2118 UTC.

Current Sunspot Cycle Activity and Space Weather:

Sun Spots: 120 as of 10/17/2025 :: Flux: 156
X-ray Solar Flares:
6h hi [M1.5][1037Z 10/18] 24h hi [M1.5][1037Z 10/18]

Current Space Weather Activity:

Planetary A-index (Ap): 41 | Planetary K-index (Kp): 5.00
Solar Wind: 534 km/s at 10.0 protons/cm3, Bz is 1.0 nT
(Oct 18, 2025 at 2106 UT)

STEREO IMAGES

What is coming

Current View

What was...

Real Time Space Weather:

On 2025 Oct 18 2115Z: Bz: -0.4 nT
Bx: -8.2 nT | By: 4.4 nT | Total: 9.3 nT
Most recent satellite polar pass:
Centered on // : UTC
Aurora Activity Level was at UTC
visit noaa for latest.

Real-Time Solar Wind data dials:

Auroral Map:

GEOS Solar X-ray Flux:

Satellite Environment Plot:

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Space weather for the past 24 hours has been moderate.
Geomagnetic storms reaching the G2 level occurred.
Radio blackouts reaching the R1 level occurred.
Space weather for the next 24 hours is predicted to be moderate.
Geomagnetic storms reaching the G2 level are expected.
Radio blackouts reaching the R2 level are likely.

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Global Propagation Conditions
Global HF Propagation Conditions for 0400Z on 05 May, 2021
High Latitude: Normal
Middle Latitude: Normal
Low Latitude: Normal

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Outlook: 18 Oct 2025 10.7-cm Flux: 168 / Ap: 040 19 Oct 2025 10.7-cm Flux: 171 / Ap: 035 20 Oct 2025 10.7-cm Flux: 173 / Ap: 029 Forecast: Solar Flares: M-class flares expected (probability >=50%) Geo-Disturbance: Minor storm expected (A>=30 or K=5) Solar Proton Event: Warning condition (activity levels expected to increase, (Comments issued on 18 Oct 2025, 1234UT)

[ Aurora Map ][ Other Kp graphs ]

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Warnings/Alerts issued in the last 24 hours, if any:
(scales: http://www.sec.noaa.gov/NOAAscales/)

Cycle Information [ Solar Cycle Details ]

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Real-time foF2 map from IPS (), Australia

[ live aurora display ][ auroral polar maps ]
[ 1m x-ray flare graph ][ 5m x-ray flare graph ]
[ d-layer conditions ]

[ latest solar images 1 ][ latest solar images 2 ]
[ latest solar images 3 ]

[ active solar regions ][ current solar region image ]

[ What is a flare and its class? ]

Recent Space Environment Reports:

+ Reports of Solar & Geophysical Activity
+ Solar & Geophysical Activity Summaries

From the Space Environment Center:

Solar X-ray Flux

+ A 3 day plot of 5-minute solar X-ray flux values measured on the GOES 8 and 10 satellites.
+ A 6-hour 1-min Solar X-ray Flux plot

Satellite Environment Plot

+ Proton Flux
+ Electron Flux
+ GEOS Hp
+ Estimated Kp


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