CMEModerate

Coronal Mass Ejection

Monday, September 28, 2026

Overview

A moderate-speed coronal mass ejection (CME) was observed on Monday, September 28, 2026 traveling at approximately 581 km/s.

Key Measurements

Date

Monday, September 28, 2026

Time (UTC)

16:18:00 UTC

Speed

581

km/s

Half Angle

10°

Severity

Moderate

Start Time

16:18:00 UTC

Monday, September 28, 2026

Speed

581 km/s

Half Angle

10°

CME Type

C

Data Sources
NASA DONKI SearchNOAA SWPC

Event ID: 2026-09-28T16:18:00-CME-001