A powerful flare on the Sun has been recorded: do magnetic storms pose a threat on August 7.

On Thursday, August 7, significant magnetic storms are not forecasted. Over the past day, twelve flares have occurred on the Sun.

In the last 24 hours, solar activity has been at a moderate level. Over the last day, there have been 11 class C flares and one M4.4 flare on the Sun. The M4.4 flare may cause a small level of radio disturbances on the Day side of Earth.

Solar activity on August 7

• Chance of a small geomagnetic storm — 5%;
• Probability of a major geomagnetic storm — 1%;
• Probability of an M-class solar flare — 50%;
• Probability of an X-class solar flare — 10%;
• Number of sunspots — 60.

Do magnetic storms affect health

Magnetic storms can have a negative impact on people's health. Therefore, warnings about magnetic storms help to monitor risk factors for heart attacks and strokes on days preceding these types of solar phenomena. The main negative effects that can occur due to magnetic storms include:

• impact on the cardiovascular system;
• impact on the nervous system;
• impact on sleep;
• decreased immunity;
• worsening of chronic diseases;
• increased fatigue, weakness.

Information about solar activity on August 7 indicates a moderate level of flares on the Sun and a low probability of geomagnetic storms. Warnings about magnetic storms are important to reduce the negative impact on people's health and technologies that may be caused by solar activity.