Often called the Aurora Capital of North America, Yellowknife averages over 240 aurora nights per year.
Yellowknife, Canada
Kp 1.3 exceeds the ~0.0 needed here, with 35% cloud cover and dark skies.
24h ago → 3 days ahead · Indigo bands = night · Gray area = clouds · Past is dimmed
Each night scored hour-by-hour — the gauge shows its best hour
Friday
Sep 18
Great Chance!Peak Kp
2
Clouds
57%
Dark hrs
9.7h
Moon 55% full
Saturday
Sep 19
Great Chance!Peak Kp
1.7
Clouds
13%
Dark hrs
10h
Moon 64% full
Sunday
Sep 20
LikelyPeak Kp
1.7
Clouds
5%
Dark hrs
10h
Moon 73% full
Events from the last 3 days that can influence aurora visibility
Slow solar wind stream. Minimal impact on aurora.
Cloud of solar plasma possibly heading toward Earth. May trigger aurora in 2-3 days.
How solar events cause aurora:
Indirect — can launch plasma clouds toward Earth
High — if aimed at Earth, causes aurora in 1-3 days
Direct — aurora is happening or imminent!
Moderate — can sustain aurora for days
Get alerts when aurora is visible at your location. Email, SMS, or push notification.