Cairo Stargazing & Astronomy Report

Light pollution and stargazing locations near Cairo

City
Cairo
Country
Egypt
Latitude
30.0444
Longitude
31.2357

Key Sky Quality Metrics

SQM (mag/arcsec²)
16.83
Bortle class
Class 9 (Class 9)
Darkness Quotient
15%
Dataset
March 2026

Inner city sky

Stargazing in Cairo

Cairo is Egypt’s vast capital on the lower Nile in north-eastern Africa, a huge historic metropolis whose urban sprawl dominates the country’s political and cultural life.

The city generally experiences Extreme Light Pollution, with a Darkness Quotient of just 15% — placing it among the most light-polluted major cities in the world.

For practical observing from within Cairo, the strongest targets are the Moon, planets, double stars and the brightest open clusters. Faint deep-sky objects are largely washed out by the city glow, though a few showpiece objects such as Orion’s brightest nebula and the brightest globular clusters may still be attempted with compromise.

Meaningfully darker skies are not close at hand from Cairo, and proper dark-sky observing calls for a long journey out of the metropolitan glow. The nearest listed site with a clear step up is around 265 kilometres away to the east, near Near North Sinai, while the very best nearby options are roughly 300 kilometres away to the south-east or west-south-west.

The map shows Cairo as an intense white-pink core surrounded by a broad red and orange halo, which is exactly what you would expect from a very large, brightly lit capital. The urban glow spreads widely in all directions, with especially strong brightness extending along built-up corridors rather than stopping neatly at the city edge.

Compared with its immediate surroundings, Cairo is dramatically brighter than the nearby countryside, but the transition to darker sky is slow rather than sudden. Yellow, green and then blue zones only become more established well away from the centre, showing that even after leaving the densest districts you remain under a substantial light dome for quite some distance.

The darkest regions on the crop appear as grey to near-black areas farther from the city, especially across the broader desert-looking expanses to the south-west, south and east of the main glow. By contrast, the north and north-west remain more interrupted by chains of smaller bright patches, suggesting a less clean escape from the city’s influence in those directions.

What the sky overhead is like

Looking straight up from Cairo, the zenith itself is heavily affected by artificial skyglow. With a Bortle 9 sky and an SQM reading of 16.83, the background never really becomes properly dark, and the contrast needed for faint stars is greatly reduced.

In practice, the brightest constellations are still recognisable, but they look thinned out compared with a rural sky. Familiar patterns such as Orion, Scorpius or the Summer Triangle can still be traced, yet the fainter stars that give those patterns depth are often missing.

This means the overhead sky is best suited to bright, high-contrast targets rather than subtle deep-sky observing. For anyone hoping to see rich Milky Way structure or hunt faint galaxies, the zenith from central Cairo is simply too bright.

north - poor

Fifteen kilometres north of Cairo, the sky is still poor, with Bortle 9 conditions and very heavy urban glow. It does improve gradually farther out, but genuinely dark conditions only arrive at around 200 kilometres in this direction.

north-north-east - poor

At about 15 kilometres to the north-north-east, conditions remain poor at Bortle 9, so this is still very much city sky. There is improvement with distance, reaching roughly Bortle 4 by around 200 kilometres, but genuinely dark skies are not reached within the sampled range.

north-east - poor

Fifteen kilometres to the north-east, the sky is still poor and firmly in Bortle 9 territory. A much darker sky is reachable farther out, with genuinely dark conditions appearing at around 200 kilometres.

east-north-east - poor

The east-north-east remains poor at the 15-kilometre mark, with Bortle 9 brightness still dominating the view. Conditions become noticeably better with distance and reach genuinely dark levels at around 200 kilometres.

east - poor

At 15 kilometres east of Cairo, the sky is still poor under Bortle 9 conditions, with little immediate relief from the city glow. This direction improves well farther out, becoming fair by around 100 kilometres and genuinely dark at around 200 kilometres.

east-south-east - poor

Fifteen kilometres east-south-east of the city, the sky remains poor and strongly light-polluted at Bortle 9. There is a more convincing improvement farther out, with genuinely dark conditions reached at around 200 kilometres.

south-east - poor

At around 15 kilometres to the south-east, the sky is still poor with Bortle 9 conditions overhead. This is one of the more promising escape directions, reaching good sky quality by around 100 kilometres, though genuinely dark skies are not reached within the sampled radius.

south-south-east - poor

Fifteen kilometres south-south-east of Cairo, the sky is still poor and heavily affected by the city at Bortle 9. Farther out the improvement is strong, with good conditions by around 100 kilometres and excellent dark sky around 200 kilometres.

south - poor

The sky 15 kilometres south is still poor, sitting around Bortle 8 and plainly washed by urban light. It improves more steadily than quickly, with genuinely dark conditions appearing at around 200 kilometres.

south-south-west - poor

At 15 kilometres south-south-west, conditions are still poor with Bortle 9 brightness. There is some worthwhile improvement farther out, but genuinely dark skies are not reached within the sampled range in this direction.

south-west - poor

Fifteen kilometres south-west of the city, the sky is still poor and very bright at Bortle 9. The reward comes much farther out, with good conditions emerging by around 100 kilometres and excellent dark skies at around 200 kilometres.

west-south-west - poor

At the 15-kilometre mark to the west-south-west, the sky remains poor under Bortle 9 conditions. This direction becomes much more attractive farther out, reaching good quality by around 100 kilometres and genuinely dark sky at around 200 kilometres.

west - poor

Fifteen kilometres west of Cairo, the sky is still poor and strongly affected by urban glow at Bortle 9. A worthwhile improvement appears farther out, with good conditions around 100 kilometres and genuinely dark sky at around 200 kilometres.

west-north-west - poor

At around 15 kilometres west-north-west, the sky is still poor at Bortle 9, so this is not a quick escape route from the city glow. It improves to fair levels farther out, but genuinely dark skies are not reached within the sampled radius.

north-west - poor

Fifteen kilometres north-west of Cairo gives a poor sky, though it is slightly less harsh than some directions at Bortle 8. Even so, the improvement remains limited, and genuinely dark skies are not reached within the sampled range.

north-north-west - poor

At 15 kilometres north-north-west, the sky is still poor with Bortle 9 conditions. A proper dark-sky improvement takes a long run outward, with genuinely dark conditions arriving at around 200 kilometres.

zenith - poor

Looking straight up from Cairo, the zenith is poor, with a Bortle 9 sky and a bright background that suppresses faint stars. The brightest constellations are still visible, but they look sparse, and the Milky Way is effectively lost in the urban glow.

  • Near Matruh
    Direction
    WSW
    Distance (km)
    304.4
    SQM
    21.53
    Bortle
    3

    Milky Way visible, broadband DSO imaging

  • Near Al Minya
    Direction
    SE
    Distance (km)
    263.1
    SQM
    21.45
    Bortle
    3

    Milky Way visible, broadband DSO imaging

  • Near North Sinai
    Direction
    E
    Distance (km)
    265.8
    SQM
    21.30
    Bortle
    4

    Bright nebulae, galaxies, narrowband imaging

Genuinely dark skies require a significant journey from Cairo rather than a quick trip beyond the suburbs.

The nearest clear dark-sky option in the supplied locations is about 265 kilometres to the east at Near North Sinai, where conditions improve to Bortle 4, while even darker Bortle 3 skies are available a little farther afield near Near Al Minya to the south-east and Near Matruh to the west-south-west.

Closer to the city, the sky usually improves only gradually, so the real step-change comes once you are well out into the surrounding desert regions.

  • Within 500 km
    Place
    Near Matruh
    Direction
    WSW
    Distance (km)
    304.4
    SQM
    21.53
    Bortle
    3

How Cairo’s sky brightness has changed

Cairo’s long-term record is broadly steady, but it leans slightly brighter rather than darker over time. The earliest reading in the series was 17.01 SQM, while the latest is 16.83 SQM, a small shift towards a brighter sky background.

Across 75 datasets, the mean sits at 17.07 SQM, with values ranging from 16.77 to 17.30 SQM. In practical terms, that tells us Cairo has been consistently very bright for years, with only modest variation from one period to another.

The underlying trend is weak rather than dramatic, so observers are not looking at a sudden deterioration. Instead, Cairo appears to be a city where severe light pollution is persistent and deeply established.

From within Cairo, bright and high-contrast targets are the sensible choice. The Moon, planets, double stars and the brightest open clusters will give the most reliable results, because they can stand up to the city’s strong skyglow.

A small number of showpiece deep-sky objects can still be attempted, especially the brightest nebulae and globular clusters, but expectations need to be modest. They tend to appear muted, with less surrounding structure and weaker contrast than they would from darker ground.

For the Milky Way, faint galaxies, broad diffuse nebulae and meteor watching, a much darker site is strongly preferable. Cairo’s sky is simply too bright for those targets to show their full character.

  • Moon
  • planets
  • double stars
  • brightest open clusters
  • bright nebulae such as M42
  • the brightest globular clusters
  • Milky Way
  • faint galaxies
  • broadband nebulae
  • meteor showers

Can you see stars from Cairo?

Yes — you can still see stars from Cairo, but mostly the brighter ones. The sky is bright enough that many faint stars disappear, so constellations look thinner and less detailed than they do from rural areas.

Can you see the Milky Way from Cairo?

For most observers within Cairo, no: the Milky Way is effectively washed out by the city’s Bortle 9 sky. To see it properly, you would need to travel well away from the capital into much darker country.

What Bortle class is Cairo?

Cairo is Bortle Class 9, which is an inner-city sky. That is the brightest end of the scale and means deep-sky observing from the city is severely limited.

What is the SQM reading for Cairo?

Cairo’s measured sky brightness is 16.83 SQM. That is a very bright reading by stargazing standards and matches the strongly light-polluted character of the city sky.

Where are the nearest dark skies to Cairo?

The nearest listed place that reaches a clearly dark standard is Near North Sinai, about 266 kilometres to the east, where conditions reach Bortle 4. Even darker Bortle 3 skies are listed near Near Al Minya at about 263 kilometres to the south-east and Near Matruh at about 304 kilometres to the west-south-west.

Is Cairo good for astrophotography?

It can work for lunar, planetary and some narrow-field bright-target astrophotography, but it is not a good city for wide-field deep-sky imaging. With an SQM of 16.83 and Bortle 9 conditions, long exposures on faint objects face a very bright background.

How far do you need to drive from Cairo for better stargazing?

For a noticeable improvement, you generally need to go a long way from Cairo rather than just beyond the suburbs. Good dark-sky destinations from the supplied locations begin roughly 260 to 305 kilometres away, depending on direction.