A surprise announcement from scientists involved in monitoring the solar cycle has finally confirmed that the sun's most active and dangerous phase — solar maximum — is already well underway, and could continue for at least a year.
- Live Science, Oct-17-2024

New Zealand’s High Skin Cancer Rates

In New Zealand, the UV Index tends to be among the highest globally, particularly during summer. This is largely due to the thinner ozone layer over the region and the higher angle of solar incidence during summer months.

As a result, New Zealand has one of the highest rates of skin cancer in the world, including both melanoma and non-melanoma types. Excessive UV exposure is the main factor behind these elevated rates, underscoring the importance of effective sun protection strategies throughout the year.

Will the Solar Maximum Increase Risk Further?

Many Kiwis have asked if this increased solar activity also elevates UV radiation levels and, consequently, the risk of skin cancer.

Fortunately, that does not appear to be the case.

The solar maximum is characterized by increased sunspots, solar flares, and coronal mass ejections, resulting in heightened solar emissions. However, studies indicate that this does not significantly increase UV radiation levels at the Earth's surface in a way that would directly increase the risk of skin cancer.

While solar flares can have temporary effects on Earth's ozone layer, they do not lead to sustained or significant changes in UV exposure reaching the ground​.

Protecting Yourself During the Solar Maximum

However, even though the solar maximum itself does not significantly increase UV radiation, it is still a reminder of the importance of protecting your skin from the sun’s harmful rays.

Regular dermatological screenings including skin checks and mole maps and maintaining good sun safety habits are some of the best ways to stay proactive against the risks of skin cancer.

Ponsonby Doctors is here to support your healthcare journey, ensuring that you receive the care and guidance needed to stay safe and healthy, regardless of the phase of the solar cycle.

Importance of Skin Checkups & Sunscreen Protection

Due to the risk posed by UV radiation in New Zealand, regular skin checkups are essential for early detection and effective treatment of skin cancers.

At Ponsonby Doctors, we recommend annual skin checkups for everyone, with more frequent checks for those with risk factors such as fair skin, a history of excessive sun exposure, or a family history of skin cancer.

If any of your existing moles or skin lesions have changed in any way - this needs to be checked sooner.

Preventive measures are also key to reducing your risk.

• Using a broad-spectrum sunscreen with at least SPF 50,
• Reapplying it every two hours (especially after swimming or sweating), and
• Wearing protective clothing

These habits can significantly reduce skin damage and skin cancer risk. It’s also vital to seek shade or cover up during peak sunlight hours, generally between 10 a.m. and 4 p.m., when UV radiation is at its strongest.

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For more information on the solar maximum, you can refer to sources like Space.com and The Weather for more about the solar cycle's impacts and the level of solar radiation that actually affects us here on Earth.

For more details on sun safety and UV radiation, talk to your doctor at PD, or you can explore resources from the World Health Organization and the CDC.