BIHAR · 2012–2026
Bihar is losing its night sky.
Modeled mean radiance has climbed from 4.40 to 17.80 nW/cm²/sr about 4.05× brighter than 2012, rising at +10.5% each year.
17.80
Radiance 2026
nW/cm²/sr
nW/cm²/sr
+10.5%
Annual change
Urban
Brightness tier
#17
of 36 states & UTs
Radiance trend
nW/cm²/sr
2026
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Data modeled after AstronEra VIIRS