Magnetic storms and solar flares in May 2026: when will they peak?
This has been reported by the SWPC monitoring centre.
When to expect magnetic storms
According to astrophysicists’ forecasts, space weather will remain unstable at the end of May.
After prolonged solar flares, the Sun will take a short break, but people sensitive to weather changes should keep an eye on how they feel.
On 25 May, the level of solar activity will be safe – 2 points, green level.
On 26 May, the magnetosphere will also remain stable. Readings will stay within normal limits – 2 points.
Peak day: 27 May
The most noticeable geomagnetic fluctuations are forecast for 27 May.
According to preliminary data, a moderate magnetic storm with a Kp index of 4 is expected on this day.
People sensitive to weather changes may experience mild discomfort, drowsiness and fluctuations in blood pressure.
On 28–29 May, the magnetic storm will subside.
Weak fluctuations with a Kp index of 3 are forecast for these days, although residual activity may still cause fatigue at the end of the working week.
What is a magnetic storm
Magnetic storms occur following solar flares.
During such flares, clouds of charged particles are hurled towards Earth.
When they collide with the planet’s magnetic field, this causes geomagnetic fluctuations.
Such processes can cause the Northern Lights, as well as affect people’s well-being, particularly vascular tone, nervous system function and overall physical condition.
Who is at risk
Even moderate geomagnetic disturbances with a Kp index of 4 can affect people who are particularly sensitive to changes in the weather.
Those at risk include people who have recently undergone surgery or suffered from serious illnesses.
People who are weather-sensitive or weather-dependent, patients with cardiovascular diseases or hypertension, the elderly and pregnant women should also take care.
A deterioration in well-being is also possible for those experiencing chronic stress or severe fatigue.
What symptoms are possible
On days of increased solar activity, people may complain of headaches – ranging from a mild pressure in the temples to migraines.
Fluctuations in blood pressure, weakness, rapid fatigue, aching joints and a feeling of ‘heaviness in the body’ are also possible.
Some people may experience sleep problems, increased drowsiness, anxiety, irritability or apathy.
How to protect yourself
During a magnetic storm, particularly on 27 May, doctors advise reducing the strain on the body.
It is advisable to limit coffee, strong black tea, energy drinks and alcohol, as these can put additional strain on the blood vessels.
It is also recommended to drink more pure still water or herbal teas with chamomile or lemon balm.
It is best to avoid strenuous strength training. Instead, you can opt for a gentle walk in the fresh air.
In terms of diet, it is advised to avoid salty, spicy, smoked and fatty foods to prevent fluid retention, swelling and blood pressure spikes.
People with chronic conditions should check in advance that they have their usual medication for high blood pressure, heart pain or migraines to hand.
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