How UV Penetrates Clouds, Windows, or Shade?

How UV Rays Still Get You?

Think sunscreen is only for sunny beach days? You couldn’t be more wrong. Your UV exposure changes based on where you live, how high you are, the time of day, and even the weather. For example, if you live closer to the equator, like parts of Africa or South America, you get more UV exposure.

But it’s not just about location—altitude counts too. For every 1,000 meters you climb a mountain, UV levels increase by around 10%. Go if you are climbing or hiking, remember your sunscreen. Plus, snow reflects 80% of UV rays, so even on snowy mountains, you can get sunburned. Next, don’t forget about the clouds? About 80% of UV rays sneak through. You can’t be safe even on a cloudy day. And don’t forget the time of day, between 10 AM and 4 PM, especially in summer, when the sun is at its strongest. This is when you need the maximum protection. So, now you realize—even if it’s cold, cloudy, or not that sunny, your skin still needs protection. Sunscreen isn’t just for summer. It’s for every day.

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