Daily updates of solar alerts, UV maps and ozone levels in the world.Regular updates of solar images with information.Solar flares produce streams of highly energetic particles in the solar wind. These particles can impact the magnetosphere and present radiation hazards.In September 1859, the largest recorded geomagnetic storm occurred. Telegraph systems all over Europe and North America failed. Telegraph pylons threw sparks and telegraph paper caught fire.March 1989 a severe geomagnetic storm caused the collapse of electricity transmission system of Hydro-Québec.July, 2000, an X5 class flare erupted on the Sun and a coronal mass ejection was launched directly at the Earth.