Soil dominant over land (bright pixel index 0.2) ≤ Retrieval residual beyond the threshold Minimum residual > 0.05 when AOT550 > 0.5 over land Minimum residual > 0.5 when AOT550 > 0.5 over water AOTHIGH(0): otherwise Set to be same as the Aerosol optical thickness quality (QF1.1) AOTNOTPRODUCED(3): 00 = 0 = High Nonpositive AOT at channels used for AE Ångström 01 = 1 = Degraded calculation (M2 / M5 over land; M7 / M10 Exponent 10 = 2 = Excluded 2 over Quality 11 = 3 = Not AOTEXCLUDED(2): (QF1.2) Produced Out of spec range [-1.0, 3.0] AOTDEGRADED(1): Low AOT 550 (< 0.15) AOTHIGH(0): otherwise Set to be same as AOT quality flag (QF1.1) AOTNOTPRODUCED(3); 00 = 0 = High AOTEXCLUDED(2); Suspended 01 = 1 = Degraded 0.15 < AOT550 < 0.5 Matter Type 10 = 2 = Excluded 2 AOTDEGRADED(1); Quality 11 = 3 = Not AOTHIGH(0): (QF1.3) Produced if volcanic ash is detected (QF4.7), the SM type quality is set to be AOTHIGH (0) no matter what value QF1.1 is 00 = 0 = Poor Cloud Mask 01 = 1 = Low Direct copy from VIIRS cloud mask (VCM) without Quality 2 10 = 2 = Medium modification (QF1.4) 11 = 3 = High QF2 Flag Values Bits Conditions
Soil dominant over land (bright pixel index ≤ 0.2) Retrieval residual beyond the threshold Minimum residual > 0.05 when AOT550 > 0.5 over land Minimum residual > 0.5 when AOT550 > 0.5 over water AOTHIGH(0): otherwise Ångström Exponent Quality (QF1.2) 00 = 0 = High 01 = 1 = Degraded 10 = 2 = Excluded 11 = 3 = Not Produced 2 Set to be same as the Aerosol optical thickness quality (QF1.1) AOTNOTPRODUCED(3): Nonpositive AOT at channels used for AE calculation (M2 / M5 over land; M7 / M10 over AOTEXCLUDED(2): Out of spec range [-1.0, 3.0] AOTDEGRADED(1): Low AOT 550 (< 0.15) AOTHIGH(0): otherwise Suspended Matter Type Quality (QF1.3) 00 = 0 = High 01 = 1 = Degraded 10 = 2 = Excluded 11 = 3 = Not Produced 2 Set to be same as AOT quality flag (QF1.1) AOTNOTPRODUCED(3); AOTEXCLUDED(2); 0.15 < AOT550 < 0.5 AOTDEGRADED(1); AOTHIGH(0): if volcanic ash is detected (QF4.7), the SM type quality is set to be AOTHIGH (0) no matter what value QF1.1 is Cloud Mask Quality (QF1.4) 00 = 0 = Poor 01 = 1 = Low 10 = 2 = Medium 11 = 3 = High 2 Direct copy from VIIRS cloud mask (VCM) without modification QF2 Flag Values Bits Conditions
VIIRS_Aerosol_ATBD_revision_v8.docx