TECHNOLOGY

NASA Captures Red Sun Through Wildfire Smoke on July 30

NASA's Astronomy Picture of the Day for July 30 features a red sun obscured by wildfire smoke.

30 July 2026 · 08:13 · 1 sources

On July 30, NASA's Astronomy Picture of the Day highlighted an image showing a red sun appearing through wildfire smoke. The image was shared along with a brief explanation by a professional astronomer, illustrating atmospheric effects caused by wildfire smoke that can alter the appearance of the sun.

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NASA — APOD: July 30 – Red Sun trough Wildfire Smoke

THE QUESTIONS THIS EVENT LEAVES BEHIND

NASA Captures Red Sun Through Wildfire Smoke on July 30

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How do wildfire smoke particles affect the color and visibility of the sun?

What regions were affected by the wildfire smoke visible in the image?

What are the potential impacts of wildfire smoke on air quality and human health?

How frequently does NASA feature atmospheric events such as wildfire smoke in its Astronomy Picture of the Day?

Could atmospheric conditions other than wildfire smoke cause similar visual phenomena?