Should I Go Tonight · Wait for dark
Not right now — wait for dark in Tromsø
15/100
- Moderate auroral activity (14%)
- Kp 2.3 meets the Tromsø threshold (Kp 2)
- Sky is currently too bright — wait for nightfall
Best Spots Tonight
1
TromsøNorway
Kp 2+14% overheadDaylight
15
2
FairbanksUSA (Alaska)
Kp 3+3% overheadDaylight
15
3
ReykjavikIceland
Kp 3+22% overheadDaylight
15
Ranked by live conditions · tap a city for the full forecast
Live Aurora Map
6,129 active cellsReal-time auroral oval from NOAA's OVATION model. Scroll to zoom, drag to pan, click a city for details.
Planetary Kp
Unsettled
Global geomagnetic activity index (0–9).
Solar Wind
Wind Speed
502km/s
Faster solar wind delivers more energy to the magnetosphere.
Density
4.0p/cm³
Proton density of the incoming solar wind stream.
Bz
-2.7nT
Southward (negative) Bz is the key driver of strong aurora.
Bt
16.3nT
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: Jun 8 (Kp 7)Hover or tap a bar for that day's forecast
Jun 8Jun 21Jul 4
QuietUnsettledActiveStorm
1.0×
Source: NOAA SWPC · OVATION Model · Refreshes every 60s