| # | City | Bortle (est.) | Brightness | 2 classes darker |
|---|---|---|---|---|
| 1 | Agege | 8–9 | 255 | ~25 km N |
| 2 | Lagos | 8–9 | 255 | ~25 km S |
| 3 | Abuja | 8–9 | 255 | ~25 km NE |
| 4 | Kano | 8–9 | 255 | ~25 km WNW |
| 5 | Port Harcourt | 7–8 | 226 | ~25 km WNW |
| 6 | Kaduna | 7–8 | 254 | ~25 km SW |
| 7 | Ebute Ikorodu | 7–8 | 191 | ~25 km E |
| 8 | Benin City | 7–8 | 242 | ~25 km W |
| 9 | Warri | 7–8 | 198 | ~25 km S |
| 10 | Enugu | 7–8 | 246 | ~25 km SSW |
| 11 | Sokoto | 7–8 | 252 | ~25 km SSW |
| 12 | Katsina | 7–8 | 252 | ~25 km SE |
| 13 | Maiduguri | 7–8 | 245 | ~25 km NE |
| 14 | Jos | 7–8 | 238 | ~25 km W |
| 15 | Onitsha | 7–8 | 214 | ~25 km WSW |
| 16 | Gombe | 7–8 | 255 | ~25 km WSW |
| 17 | Ibadan | 7–8 | 139 | ~25 km SSE |
| 18 | Zaria | 7–8 | 200 | ~25 km WSW |
| 19 | Aba | 7–8 | 198 | ~25 km NNW |
| 20 | Gusau | 7–8 | 251 | ~25 km S |
| 21 | Shagamu | 6–7 | 174 | ~25 km ENE |
| 22 | Owerri | 6–7 | 214 | ~25 km NNE |
| 23 | Osogbo | 6–7 | 196 | ~25 km E |
| 24 | Yola | 6–7 | 182 | ~25 km WSW |
| 25 | Calabar | 6–7 | 174 | ~25 km SSE |
| 26 | Minna | 6–7 | 176 | ~25 km WNW |
| 27 | Yenagoa | 6–7 | 111 | ~25 km NW |
| 28 | Umuahia | 6–7 | 202 | ~25 km NNW |
| 29 | Akure | 6–7 | 190 | ~25 km S |
| 30 | Makurdi | 6–7 | 161 | ~25 km S |
| 31 | Sapele | 6–7 | 108 | ~25 km WNW |
| 32 | Ilesa | 6–7 | 164 | ~25 km SSW |
| 33 | Ilorin | 6–7 | 107 | ~25 km E |
| 34 | Bauchi | 6–7 | 127 | ~25 km SSE |
| 35 | Uyo | 6–7 | 103 | ~25 km NE |
| 36 | Ijebu Ode | 5–6 | 96 | ~50 km S |
| 37 | Ado-Ekiti | 5–6 | 116 | ~50 km NNE |
| 38 | Abeokuta | 5–6 | 64 | not within 90 km |
| 39 | Mubi | 5–6 | 78 | not within 90 km |
| 40 | Gboko | 5–6 | 48 | not within 90 km |
| 41 | Iseyin | 5–6 | 70 | not within 90 km |
| 42 | Iwo | 5–6 | 69 | not within 90 km |
| 43 | Ile-Ife | 5–6 | 55 | not within 90 km |
| 44 | Bida | 5–6 | 50 | ~50 km SSE |
| 45 | Chakwama | 5–6 | 31 | not within 90 km |
| 46 | Ikot Ekpene | 5–6 | 46 | ~50 km NE |
| 47 | Oyo | 4–5 | 37 | not within 90 km |
| 48 | Atani | 4–5 | 20 | not within 90 km |
| 49 | Owo | 4–5 | 36 | not within 90 km |
| 50 | Ogbomoso | 4–5 | 29 | not within 90 km |
| 51 | Ikire | 4–5 | 27 | not within 90 km |
| 52 | Ondo | 4–5 | 27 | not within 90 km |
| 53 | Okene | 4–5 | 26 | not within 90 km |
| 54 | Efon-Alaaye | 4–5 | 22 | not within 90 km |
| 55 | Ugep | 4–5 | 21 | not within 90 km |
| 56 | Ikare | 4–5 | 21 | not within 90 km |
Brightness is the NASA VIIRS Black Marble 2016 value at the city centre on a 0–255 scale; 255 is saturated. Cities are ordered by estimated sky brightness, which also counts the light within 30 km.