M15,M16 AOTQFNO(0): otherwise A.1.3. QF3 Flag Values Bits Conditions Notes AOTNIGHT (3): Solar zenith angle > 85° 00 = 0 =Day AOTSOLZAEX (2): 01 = 1 =Low Sun, 80° < Solar zenith angle ≤ Degraded 85° Day/Night Flag 2 AOTSOLZADEG (1): 10 = 2 = Twilight, Excluded 65° < Solar zenith angle ≤ 80° 11 = 3 = Night AOTDAY (0): Solar zenith angle ≤ 65°
M15,M16 AOTQFNO(0): otherwise A.1.3. QF3 Flag Values Bits Conditions Notes Day/Night Flag 00 = 0 =Day 01 = 1 =Low Sun, Degraded 10 = 2 = Twilight, Excluded 11 = 3 = Night 2 AOTNIGHT (3): Solar zenith angle > 85° AOTSOLZAEX (2): 80° < Solar zenith angle ≤ 85° AOTSOLZADEG (1): 65° < Solar zenith angle ≤ 80° AOTDAY (0): Solar zenith angle ≤ 65°
Aerosol_Product_Users_Guide_V2.0.docx