Solar X-ray Flux Screensaver
The Solar X-ray Flux screensaver shows six hours of one-minute solar X-ray samples from NOAA's key-less GOES feed. Flare class is logarithmic — each letter is ten times the last — so the band lines make an X-class flare legible instead of hiding it. It's free, runs in your browser, and ESC exits.
Live preview
Press ESC to leave fullscreen. Settings are saved in your browser only.
How the Solar X-ray Flux screensaver works
The saver reads NOAA's GOES feed directly in your browser — no key and no account.
Six hours of one-minute solar X-ray samples from NOAA's key-less GOES feed.
It refreshes on a schedule, so what you see stays current.
Colours can be changed in settings; nothing is stored beyond your own browser.
A worked example
Six hours of one-minute solar X-ray samples from NOAA's key-less GOES feed. Flare class is logarithmic — each letter is ten times the last — so the band lines make an X-class flare legible instead of hiding it.
Settings & tips
- Accent and Background recolour the display.
- Data comes straight from NOAA's GOES feed in your browser.
- Press ESC to leave fullscreen.
Frequently asked questions
- Is this real data?
- Yes — it comes from NOAA's GOES feed and is refreshed on a schedule.
- Why the lettered bands?
- Flare class is logarithmic: each letter is ten times the one below. On a linear axis an X-class flare would swamp everything; the bands keep the whole range readable.
- Is a key needed?
- No. This source is fully key-less.
- Is it free?
- Yes — free, no download, in your browser.