Solar flares on February 18, 2003
The most powerful solar flare in 24 hours
There were no solar flares on the selected date
Solar activity index
Value as of the end of the day on February 18, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 17, 2003 to February 18, 2003
Time zone — UTC+00 (London)
List of solar flares for February 18, 2003
There were no solar flares on the selected date