Finding your location
Checking the sky
Loading live space-weather, cloud, darkness and moon data.
Tonight, hour by hour
Darkness, cloud, moon and forecast activity for your location.
Next three nights
Peak forecast Kp during darkness, compared with the Kp your location needs, plus cloud and moon.
27-day planner (NOAA outlook)
NOAA's 27-day outlook of the largest expected Kp each day, with moonlight. Good for planning a trip. Cloud cannot be forecast this far ahead.
Space weather right now
Measured upstream of Earth by spacecraft at the L1 point, about 1.5 million km sunward.
Trends
Use a mouse, touch, or the arrow keys on a focused chart to read values. Each chart can be shown as a table.
Alerts
On this device
Checks every two minutes while Aurora Watch is open (it can stay in a background tab).
By email
Checking whether email alerts are available on this server.
Field guide
Dark adaptation
Your eyes need about 20 to 30 minutes in darkness to adapt fully. Bright white light undoes much of it. Night-vision red colours in Display keep your adaptation.
Camera settings for right now
Pick your camera. Settings adjust to the current aurora brightness estimate.
Data sources and health
Every value on this page comes from a named source below. If a source fails, Aurora Watch moves to the next one automatically and tells you here. Nothing is estimated without saying so.
| Data | Source in use | Data time | Status |
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