Light pollution in Argentina

20 cities · estimated Bortle class at each city centre

8 of 20 cities read Bortle 8–9 · 12 of 20 cities read Bortle 7–8. The darkest city centre on the list is Formosa (Bortle 7–8).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Merlo	8–9	255	~25 km WSW
2	Laferrere	8–9	255	~25 km SW
3	José C. Paz	8–9	255	~25 km NNE
4	Córdoba	8–9	255	~25 km S
5	Buenos Aires	8–9	255	~25 km NE
6	Quilmes	8–9	255	~25 km NE
7	San Miguel de Tucumán	8–9	255	~25 km W
8	Salta	8–9	255	~25 km SE
9	Rosario	7–8	250	~25 km E
10	Posadas	7–8	255	~25 km S
11	Neuquén	7–8	255	~25 km NNE
12	Resistencia	7–8	255	~25 km NE
13	Santiago del Estero	7–8	255	~25 km SSW
14	Santa Fe	7–8	255	~25 km S
15	Corrientes	7–8	255	~25 km NNE
16	Bahía Blanca	7–8	255	~25 km S
17	Mar del Plata	7–8	255	~25 km ESE
18	Paraná	7–8	255	~25 km NE
19	San Salvador de Jujuy	7–8	255	~25 km NE
20	Formosa	7–8	255	~25 km S

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.