HIMACHAL PRADESH · 2012–2026
Himachal Pradesh is losing its night sky.
Modeled mean radiance has climbed from 2.80 to 8.22 nW/cm²/sr about 2.94× brighter than 2012, rising at +8% each year.
8.22
Radiance 2026
nW/cm²/sr
nW/cm²/sr
+8%
Annual change
Urban
Brightness tier
#26
of 36 states & UTs
Radiance trend
nW/cm²/sr
2026
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Data modeled after AstronEra VIIRS