Jiangsu, ChinaMagnetic latitude 26.5°Population 3,290,9189 m above sea level
Can you see the northern lights in Changzhou?
The aurora is practically never visible from Changzhou. At 26.5° magnetic latitude, even the strongest storms rarely reach this far from the poles.
Right now
Quiet right now (Kp 1.7).
Updates every minute while this page is open.
Tonight in one minute
Not tonight
- Solar activity Too weak: Kp 2.7 expected, 9+ needed here.
- Sky Overcast (88% cloud).
- Darkness Dark from 18:19 to 05:12.
What to do: Not tonight — your next chance is shown just below.
- Detailed forecast Fri 16 2.7 No · Kp 2.7
- Sat 17 1.7 No · Kp 1.7
- Sun 18 1.7 No · Kp 1.7
- 27-day trend Mon 19 2 No · Kp 2
- Tue 20 2 No · Kp 2
- Wed 21 3 No · Kp 3
- Thu 22 4 No · Kp 4
- Fri 23 4 No · Kp 4
- Sat 24 3 No · Kp 3
- Sun 25 2 No · Kp 2
- Mon 26 2 No · Kp 2
- Tue 27 2 No · Kp 2
- Wed 28 2 No · Kp 2
- Thu 29 2 No · Kp 2
- Fri 30 2 No · Kp 2
- Sat 31 5 No · Kp 5
- Sun 1 5 No · Kp 5
- Mon 2 3 No · Kp 3
- Tue 3 2 No · Kp 2
- Wed 4 2 No · Kp 2
- Thu 5 2 No · Kp 2
- Fri 6 3 No · Kp 3
- Sat 7 3 No · Kp 3
Saturday 17 October — No · Kp 2.7 · Forecast cloud: 88%. · Reliability: good
Each box is one night: the colour shows the chance, the number the expected Kp. Tap a night for details.
📅 Add these nights to your calendar — it updates itself (.ics)
How far ahead can the northern lights be forecast?
- Minutes to an hour: satellites 1.5 million km away measure the solar wind before it reaches Earth. This is the surest warning — the “Right now” box uses it.
- 1–3 days: when the Sun throws out a cloud of particles, it takes one to three days to arrive. NOAA's 3-hourly forecast covers these nights; the timing can still be off by a few hours.
- 4–27 days: the Sun turns once every 27 days, and regions that disturbed Earth's field last time often do it again. NOAA's 27-day outlook gives this rough trend — new eruptions are not in it yet.
Tonight
Updated 03:09 local time
Unlikely
Best around 03:00. Forecast max Kp 2.7 (this place needs 9+), average cloud 88%.
- Dark enough
- 18:19 – 05:12
- Sunset
- 17:26 · sunrise 06:05
- Moon
- 33% · ↑ 12:05 · ↓ 21:58
- Kp neededKp index: a 0–9 measure of geomagnetic activity. The higher it is, the further from the poles the aurora reaches.
- Kp 9+
- Look towards
- north (356°)
Score = activity (NOAA Kp and OVATION) × clear sky (MET Norway) × darkness × moonlight. Methodology
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What you would see from Changzhou
Facing north. Bands show where the aurora sits at two activity levels.
| Kp | What you see | Lower edge | Ray tops | Distance to the aurora |
|---|---|---|---|---|
| 2 | Below the horizon | -17° | -15° | 4,003 km |
| 3 | Below the horizon | -15° | -14° | 3,781 km |
| 4 | Below the horizon | -14° | -13° | 3,558 km |
| 5 | Below the horizon | -13° | -12° | 3,336 km |
| 6 | Below the horizon | -12° | -10° | 3,114 km |
| 7 | Below the horizon | -11° | -9° | 2,891 km |
| 8 | Below the horizon | -10° | -8° | 2,669 km |
| 9 | Below the horizon | -9° | -6° | 2,446 km |
The Kp scale in plain words
Kp is a 0–9 score for how strongly the Earth's magnetic field is being shaken by the solar wind. The higher it goes, the further from the poles the northern lights reach. Kp 0–2 is a quiet night; Kp 5 and above is a geomagnetic storm.
- Kp 0–2 Quiet Only under the auroral oval: northern Norway, Swedish and Finnish Lapland, Iceland, Alaska, northern Canada.
- Kp 3 Unsettled next 24 h Bright in the Arctic; low on the horizon in central Scandinavia and southern Iceland.
- Kp 4 Active Overhead in the Arctic; low in the north from southern Norway, Sweden, Finland and northern Scotland.
- Kp 5 Minor storm (G1) Scotland, southern Scandinavia, the Baltic states, the northern US states and southern Canada.
- Kp 6 Moderate storm (G2) Northern England, Denmark, northern Germany and Poland, the US Midwest — often clearer in photos than to the eye.
- Kp 7 Strong storm (G3) Most of the UK, the Netherlands, Germany, Poland, Czechia; red glow in photos from France and the northern Alps.
- Kp 8 Severe storm (G4) Central Europe to the eye; red sky in photos from northern Italy, Spain, the Balkans and Turkey's Black Sea coast.
- Kp 9 Extreme storm (G5) Seen across Europe and the US; in photos as far south as the Mediterranean, Turkey and North Africa (May 2024).
Light pollution
City sky. City lights hide all but the brightest displays. Plan to leave the urban area.
Estimate from NASA VIIRS night-light data (sky-glow model within 50 km). Check access and private land before you go.
Hills and mountains
Terrain is not modelled for this place.
From elevation data (AWS Terrain Tiles) along seven lines of sight up to 30 km.
Best months to see the aurora in Changzhou
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
Activity of Kp 9+ or more is too rare here for monthly odds to be meaningful. The table still shows how often nights are clear and dark.
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| September | 0% | 53% | 9.8 h | 20° / 29°C |
| October | 0% | 59% | 10.6 h | 13° / 24°C |
| November | 0% | 61% | 11.5 h | 7° / 17°C |
| December | 0% | 67% | 11.9 h | 0° / 10°C |
| January | 0% | 57% | 11.8 h | -1° / 8°C |
| February | 0% | 50% | 11.0 h | 0° / 10°C |
| March | 0% | 53% | 10.3 h | 4° / 16°C |
| April | 0% | 50% | 9.0 h | 10° / 22°C |
Practical information
- Nearest airport
- Changzhou Benniu International Airport (CZX) · 23 km
Sunan Shuofang International Airport (WUX) · 55 km - Typical low / high in January
- -1° / 8°C
- What to wear
- Below freezing at night: thermal layers, a warm jacket, hat, gloves and winter boots. Full clothing guide
Questions and answers
What Kp do you need to see the aurora in Changzhou?
The aurora is practically never visible from Changzhou. At 26.5° magnetic latitude, even the strongest storms rarely reach this far from the poles.
Which way should I look for the aurora in Changzhou?
Around Changzhou the aurora is often right overhead. Start by facing north, but look up and all around — in strong storms it can fill the whole sky and even appear behind you.
When is the aurora season in Changzhou?
Changzhou gets dark enough for the aurora all year round, though the long winter nights give the most hours to watch.
Is there much light pollution in Changzhou?
City lights hide all but the brightest displays. Plan to leave the urban area.
Also covered by this forecast
Villages and districts around Changzhou share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- Yonghong 2 km
- Hongmei 2 km
- Hongmeicun 2 km
- Qunlicun 2 km
- Fuqiangcun 2 km
- Tianning Qu 3 km
- Zhujiacun 3 km
- Zhujia 3 km
- Laobacun 3 km
- Xinmin 3 km
- Xinzhong 3 km
- Fuxingcun 3 km
- Xinjian 3 km
- Zhulincun 3 km
- Changqingcun 3 km
- Jiangxiangcun 4 km
- Dongtoucun 4 km
- Jiangxiang 4 km
- Dongtou 4 km
- Wuxing 4 km
- Liedicun 4 km
- Xialei 4 km
- Xinfeng 4 km
- Xingang 4 km
- Jiefangcun 4 km
- Qinyecun 4 km
- Sanlicun 4 km
- Youshengcun 4 km
- Sanjing 5 km
- Donggangcun 5 km
- Qinwan 5 km
- Xiaoduncun 5 km
- Tang’ancun 5 km
- Qianqiaocun 5 km
- Panjiatang 5 km
- Qinglong 5 km
- Donggang 5 km
- Xiaodun 5 km
- Zhougong’an 5 km
- Xuantang 5 km