WEST BENGAL · 2012–2026
West Bengal is losing its night sky.
Modeled mean radiance has climbed from 7.00 to 21.93 nW/cm²/sr about 3.13× brighter than 2012, rising at +8.5% each year.
21.93
Radiance 2026
nW/cm²/sr
nW/cm²/sr
+8.5%
Annual change
Very High
Brightness tier
#13
of 36 states & UTs
Radiance trend
nW/cm²/sr
2026
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Data modeled after AstronEra VIIRS