Solar flares on June 18, 2021
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 June 18, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 17, 2021 to June 18, 2021
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for June 18, 2021
There were no solar flares on the selected date