Northern lights tonight: can you see the aurora where you are?
Live data check: August 8, 2026, 05:53 UTC. Source: NOAA planetary K-index. This block is rewritten every morning.
Right now Kp is 0.7 (quiet). The forecast peak for the next 24 hours is Kp 3.7, which keeps any realistic aurora chance near the poles only: northern Scandinavia, Alaska, and northern Canada.
Most nights, whether the aurora is out for you comes down to a single number called the Kp index, and how far north you sit. Get the live Kp, compare it to your latitude, and you have your answer before you waste a drive into the cold. Lumara shows that number straight from NASA, so you can check it in five seconds from the couch.
Start with the live Kp.
Kp runs from 0 to 9 and measures how disturbed Earth's magnetic field is right now. Quiet nights sit at 1 or 2. When a burst of solar wind or a coronal mass ejection hits, Kp climbs, and the higher it goes the farther from the poles the aurora slides. Lumara reads the current geomagnetic level from NASA's DONKI feed and shows it on the dashboard next to recent flares and eruptions, which are the events that drive a storm in the first place.
What Kp you need for your latitude.
This is the rough map between the number and where the lights reach. Your mileage shifts with your exact location and how dark your sky is, but it is close enough to make a go or no-go call.
| Kp | Storm level | Roughly visible from |
|---|---|---|
| 0 to 3 | Quiet | Near the poles only: northern Scandinavia, Alaska, northern Canada |
| 4 | Unsettled | Far northern states and southern Canada on a dark night |
| 5 | G1 minor storm | Northern tier of US states, much of the UK and northern Europe |
| 6 to 7 | G2 to G3 | Down toward the central US and central Europe |
| 8 to 9 | G4 to G5 | Mid latitudes, and on rare nights much farther south |
The other things that decide your night.
A high Kp gets you a chance, not a guarantee. Four things turn the chance into a sighting. Darkness: get well away from city glow. A clear northern horizon: aurora usually sits low in the north for anyone outside the far latitudes. Timing: the hours around local midnight tend to be the most active. And the Moon: a bright moon drowns out a faint display, so it helps to check the moon phase and aim for nights closer to new moon when the storm is weak. Cloud cover beats all of it, so glance at a normal weather forecast too.
Why 2026 is a good year to watch.
The Sun runs on an eleven-year cycle, and it spent the mid 2020s near the busy end of it. That means more sunspots, more flares, and more of the eruptions that fling plasma at Earth, which is exactly the fuel an aurora needs. Storms strong enough to drop the lights to mid latitudes have been more frequent than usual, so it is worth keeping the live Kp somewhere you can glance at it. For the full background on flares, coronal mass ejections, and how a storm builds, the space weather guide walks through all of it.
Solar Cycle 25 has peaked. The aurora has not.
Solar maximum for Cycle 25 ran from late 2024 into early 2026, with the smoothed sunspot number holding in roughly the 105 to 125 range, per NOAA's Space Weather Prediction Center. The cycle is now past its peak and in its early declining phase. That does not mean quiet skies: declining years have historically produced some of the strongest geomagnetic storms on record, driven by recurrent high-speed solar wind streams and CMEs from aging active regions, so 2026 and 2027 both remain strong aurora years. The next cycle, Solar Cycle 26, is not expected to begin in earnest before roughly 2029. None of that predicts a specific night, though. Nobody can promise aurora months out, which is why the live Kp number above is the only near-term truth that matters.
Open the live space weather dashboard
Common questions.
Can I see the northern lights tonight?
It depends on the Kp index right now and how far north you live. Check the live Kp in Lumara. As a rough guide, Kp 5 brings aurora to the northern tier of US states, Kp 7 and up can push it toward the middle of the country, and near the poles even Kp 3 or 4 can be enough.
What Kp index do I need to see the aurora?
The farther from the magnetic poles you are, the higher the Kp you need. Kp 5 is a G1 storm and reaches the northern US and northern Europe. Kp 8 to 9 is a severe storm that can be seen at mid latitudes. Your own latitude sets the bar.
What time of night is best for aurora?
The hours around local midnight, give or take a couple, tend to be most active. You also need a dark sky away from city lights, a clear northern horizon, and ideally no bright moon.
Does the Moon affect aurora viewing?
Yes. A bright or full moon washes out faint aurora the same way it washes out faint stars. On a strong storm it barely matters, but for a weak display, a dark sky near the new moon helps a lot.