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List of currently available AC SAF products and data records

Near real-time products

Name of the NRT product Satellite Instrument(s) Target accuracy Target accuracy is met 1
NRT total O3 column Metop-A&B GOME-2 4% (SZA < 80°)
6% (SZA > 80°)
Yes
NRT total NO2 column Metop-A&B GOME-2 8-15% of annual mean Yes
NRT tropospheric NO2 column Metop-A&B GOME-2 30% Yes
NRT total SO2 column Metop-A&B GOME-2 50% (SZA < 70°) Yes
NRT total HCHO column Metop-A&B GOME-2 50% (polluted) Yes
NRT high-resolution ozone profiles Metop-A&B GOME-2 15% in stratosphere
30% in troposphere
Yes
NRT absorbing aerosol index Metop-A&B GOME-2 0.5 index points Yes
NRT absorbing aerosol index from PMDs Metop-A&B GOME-2 0.5 index points Yes
NRT scattering aerosol index 2 Metop-A&B GOME-2 0.5 index points Yes
NRT scattering aerosol index from PMDs 3 Metop-A&B GOME-2 0.5 index points Yes
NRT UV index, clear-sky Metop-B GOME-2 10% Yes
NRT UV index, cloud-corrected Metop-B GOME-2 10% Yes
NRT tropospheric ozone Metop-A&B GOME-2 20% Yes
NRT IASI CO Metop-A&B IASI 12% (normal conditions)
20% (high pollution or low signal)
Yes
NRT IASI SO2 Metop-A&B IASI 100% (below 10km)
35% (above 10km)
Yes

Offline products

Name of the offline product Satellite Instrument(s) Target accuracy Target accuracy is met 1
Offline total O3 column Metop-A&B GOME-2 3% (SZA < 80°)
6% (SZA > 80°)
Yes
Offline total NO2 column Metop-A&B GOME-2 8-15% of annual mean Yes
Offline tropospheric NO2 column Metop-A&B GOME-2 30% Yes
Offline total SO2 column Metop-A&B GOME-2 50% (SZA < 70°) Yes
Offline total HCHO column Metop-A&B GOME-2 50% (polluted) Yes
Offline total BrO column Metop-A&B GOME-2 30% Yes
Offline total H2O column Metop-A&B GOME-2 10% Yes
Offline coarse resolution ozone profiles 4 Metop-A&B GOME-2 15% in stratosphere
30% in troposphere
N/A
Offline high-resolution ozone profiles Metop-A&B GOME-2 15% in stratosphere
30% in troposphere
Yes
Offline absorbing aerosol index Metop-A&B GOME-2 0.5 index points Yes
Offline absorbing aerosol index from PMDs Metop-A&B GOME-2 0.5 index points Yes
Offline scattering aerosol index 5 Metop-A&B GOME-2 0.5 index points Yes
Offline scattering aerosol index from PMDs 6 Metop-A&B GOME-2 0.5 index points Yes
Offline surface UV Metop-B
NOAA N19
GOME-2
AVHRR
20% Yes
Offline tropospheric O3 column Metop-A&B GOME-2 20% Yes
Offline tropical tropospheric O3 column Metop-A&B GOME-2 25% Yes

Data records

Name of the data record Satellite Instrument(s) Target accuracy
Reprocessed total O3 column data record Metop-A&B GOME-2 3% (SZA < 80°)
6% (SZA > 80°)
Reprocessed total NO2 column data record Metop-A&B GOME-2 8-15% of annual mean
Reprocessed tropospheric NO2 column data record Metop-A&B GOME-2 30%
Reprocessed total SO2 column data record Metop-A&B GOME-2 50% (SZA < 70°)
Reprocessed total HCHO column data record Metop-A&B GOME-2 50% (polluted)
Reprocessed total BrO column data record Metop-A&B GOME-2 30%
Reprocessed total H2O column data record Metop-A&B GOME-2 10%
Reprocessed OClO column data record Metop-A&B GOME-2 50%
Reprocessed LER surface albedo data record Metop-A&B GOME-2 0.04
  1. 1 During the latest six-month reporting period, see AC SAF Operations Report 2/2019
  2. 2 Included in NRT absorbing aerosol index
  3. 3 Included in NRT absorbing aerosol index from PMDs
  4. 4 Processing of new products was discontinued in June 2017, but existing products are available from FMI archive
  5. 5 Included in offline absorbing aerosol index
  6. 6 Included in offline absorbing aerosol index from PMDs