Should I Go Tonight · Fair
Possible — keep an eye on the sky in Yellowknife
43/100
- Moderate auroral activity (12%)
- Kp 0.7 is below the Yellowknife threshold (Kp 1)
- Sky is currently dark
Best Spots Tonight
1
YellowknifeCanada
Kp 1+12% overheadDark sky
43
2
WhitehorseCanada
Kp 3+6% overheadDark sky
24
3
Stewart IslandNew Zealand
Kp 9+0% overheadDark sky
20
Ranked by live conditions · tap a city for the full forecast
Live Aurora Map
4,478 active cellsReal-time auroral oval from NOAA's OVATION model. Scroll to zoom, drag to pan, click a city for details.
Planetary Kp
Quiet
Global geomagnetic activity index (0–9).
Solar Wind
Wind Speed
392km/s
Faster solar wind delivers more energy to the magnetosphere.
Density
1.9p/cm³
Proton density of the incoming solar wind stream.
Bz
-3.2nT
Southward (negative) Bz is the key driver of strong aurora.
Bt
4.3nT
Total strength of the interplanetary magnetic field.
Bz is pointing south — favourable conditions for aurora.
Geomagnetic Storm Scale
Storm: G3 Strong
G1
Minor
Kp 5
G2
Moderate
Kp 6
G3
Strong
Kp 7
G4
Severe
Kp 8
G5
Extreme
Kp 9
27-Day Outlook
Best: Aug 19 (Kp 5)Hover or tap a bar for that day's forecast
Jul 27Aug 9Aug 22
QuietUnsettledActiveStorm
1.0×
Source: NOAA SWPC · OVATION Model · Refreshes every 60s