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Satellite: Sentinel-2 cloudless 2016 by EOX IT Services GmbH · CC BY 4.0 · Contains modified Copernicus Sentinel data 2016
Aurora forecastMagnetic latitude 47° · Look towards north (345°)

Northern lights in Leipzig

Kp neededKp 7overhead: Kp 9.5
TonightKp 2.7Unlikely tonight
Nights a year21 with a clear sky
51.34° N, 12.37° EElevation 116 mUTC+2 · Central European Summer Time
When to goLeipzig · weather score
JanFebMarAprMayJunJulAugSepOctNovDec51October
Best timeMay · Aug–Sep
October: high / low15° / 6°

Only in rare, extreme storms. Leipzig lies at 47° magnetic latitude. The northern lights appear low in the north from Kp 7 and overhead from Kp 9.5. In an average year that happens on about 2 nights in true darkness, 1 of them with a clear sky; the best months are September, October and November.

Tonight

Unlikely tonight

Darkness
19:15 – 06:35
Highest Kp forecast in the dark
Kp 2.7 · unsettled
Kp needed
on the horizon Kp 7 · overhead Kp 9.5
Clouds
Partly cloudy (40%)
Moon
89%
Kp now
Kp 3.7 · active
Leipzig weather today

Kp forecast for the next three days

03579Kp 3.33Kp 3.67Kp 4.67Kp 2.33Kp 3.00Kp 3.00Kp 4.33Kp 3.67Kp 2.00Kp 2.33Kp 2.67Kp 2.33Kp 2.67Kp 2.33Kp 2.33Kp 2.00Kp 2.00Kp 2.00Kp 2.33Kp 2.67Kp 2.33Kp 2.00Kp 2.00Kp 1.67Kp 1.67Kp 1.67Kp 1.67Kp 3.00on the horizon · Kp 7Thu 22Fri 23Sat 24Sun 25

Three-hour Kp, observed then forecast. Dashed: the Kp this place needs (horizon, overhead); shaded: dark hours.

Height of the oval above your horizon

  • Kp 0below the horizon
  • Kp 1below the horizon
  • Kp 2below the horizon
  • Kp 3below the horizon
  • Kp 4below the horizon
  • Kp 52°
  • Kp 64°
  • Kp 79°
  • Kp 816°
  • Kp 943°

Look towards: north (345°)

Chance of seeing the lights on a night, by month

0%5%10%Jan: 0%Feb: 0%Mar: 0%Apr: 0%May: 0%Jun: 0%Jul: 0%Aug: 0%Sep: 1%Oct: 1%1%Nov: 1%Dec: 0%0h12h24hJanFebMarAprMayJunJulAugSepOctNovDec

Bars: nights with the Kp needed in true darkness × the usual clear sky. Line: hours of darkness.

Aurora at nearby places

How it works

The Kp index measures how disturbed the Earth's magnetic field is, from 0 (quiet) to 9 (extreme storm), in three-hour steps. The stronger the disturbance, the further the auroral oval — the ring of light around each magnetic pole — spreads towards the equator.

What counts is the magnetic, not the geographic, latitude. The magnetic pole lies over northern Canada, so North America sees the lights much further south than Europe or Asia at the same latitude. For every place we compute its magnetic latitude and from it the Kp at which the edge of the oval appears low on the horizon and the Kp at which it is overhead.

You also need true darkness (the sun at least 12° below the horizon — around midsummer there is none in the far north), a clear sky and ideally no bright moon. The monthly odds on each page combine thirty years of measured Kp during the dark hours with the place's usual cloud cover.

Look towards the magnetic pole (the direction shown on each page), away from street lights. Give your eyes 20 minutes to adapt; a phone camera in night mode often shows the colours before the eye does. The best hours are usually the two or three around local midnight.