KERALA · 2012–2026
Kerala is losing its night sky.
Modeled mean radiance has climbed from 10.50 to 28.90 nW/cm²/sr about 2.75× brighter than 2012, rising at +7.5% each year.
28.90
Radiance 2026
nW/cm²/sr
nW/cm²/sr
+7.5%
Annual change
Very High
Brightness tier
#8
of 36 states & UTs
Radiance trend
nW/cm²/sr
2026
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Data modeled after AstronEra VIIRS