FRI ,  Oct 16 , 2026 SAT ,  Oct 17 , 2026 SUN ,  Oct 18 , 2026

		Space Environment Summary During the past 24 hours, solar activity was low. Five active sunspot regions were on the visible disk without any M-class and above flares produced. The solar wind speed decreased to about 430 km/s. The geomagnetic field was quiet to unsettled. Published: 2026-10-16 00:30 UTC Forecaster: 025/042

		Space Environment Forecast Within the next three days, solar activity is expected to be low to moderate with chance for M-class flares. The geomagnetic field is expected to be mainly at quiet to unsettled levels. Published: 2026-10-16 00:30 UTC Forecaster: 025/042

		F10.7 Index Ap Index The 10.7-cm solar radio flux forecast for the next 24/48/72 hours. Geomagnetic Ap index forecast for the next 24/48/72 hours. 24HR 48HR 72HR 125 125 125 24HR 48HR 72HR 6 5 5

		Solar X-ray Flare Geomagnetic Storm Probabilities for M and X class solar flares for the next 24/48/72 hours. Probabilities for minor and major disturbances in Geomagnetic field for the next 24/48/72 hours. CLASS 24HR 48HR 72HR M 25% 25% 25% X 1% 1% 1% CLASS 24HR 48HR 72HR Minor 1% 1% 1% Major 1% 1% 1%

		Solar Proton Event Relativisitic Electron Enhancement Probabilities for solar proton event for the next 24/48/72 hours. Probabilities for GEO relativistic electrons enhancement event for the next 24/48/72 hours. 24HR 48HR 72HR 1% 1% 1% 24HR 48HR 72HR 1% 1% 1%

	24-hr Max:M1.3
	Peak Time:2026 Oct 16 15:42 UTC
	Updated:2026 Oct 16 23:15 UTC
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	Current 5-min:1.989e-1 /cm2.sr.s
	24-hr Max:3.958e-1 /cm2.sr.s
	Updated:2026 Oct 16 23:10 UTC
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	Speed:469.8 km/sec
	Density:4.8 protons/cm3
	Updated:2026 Oct 16 23:13 UTC
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	Current:Kp=4
	24-hr Max:Kp=4
	Updated:2026 Oct 16 21:00 UTC
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	Current 5-min:2.235e+2 /cm2.sr.s
	Integral Flux:1.751e+7 /cm2.sr.day
	Updated:2026 Oct 16 23:10 UTC
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	10.7cm Flux:131 sfu
	Update:2026 Oct 16 UTC
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	SSN:104
	Update:2026 Oct 15 UTC
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