SIKKIM · 2012–2026
Sikkim is losing its night sky.
Modeled mean radiance has climbed from 1.60 to 5.35 nW/cm²/sr about 3.34× brighter than 2012, rising at +9% each year.
5.35
Radiance 2026
nW/cm²/sr
nW/cm²/sr
+9%
Annual change
Suburban
Brightness tier
#28
of 36 states & UTs
Radiance trend
nW/cm²/sr
2026
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Data modeled after AstronEra VIIRS