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  1. Log on to www.ecmwf.int. (If you do not have an account create one)
  2. Read the CAMS data licence and accept the license at the bottom of the page.
  3. Contact us by creating a ticket through the ECMWF Support Portal (Charts and Data > Get our products ), providing 
    1. the user name you used to log into www.ecmwf.int and accept the license
    2. for our service planning, a brief description of how you intend to use the data, and which chemical species are most relevant for you

Data location

FTP server

ftp://dissemination.ecmwf.int

Data directories

/DATA/CAMS_GLOBAL/${YYYYMMDDhh}

/DATA/CAMS_GLOBAL_ADDITIONAL which contains individual files of surface level fields (model level 137).

Retention policy

Forecast are kept for 3 days

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List of available parameters


  • Expand
    titleAerosol


    short nameparameter IDnametype of variabletype of data (an,fc)type of level (pl,sfc,ml)
    aod1240210216Total Aerosol Optical Depth at 1240nmvertically-integrated an + fc sfc
    aod469210213Total Aerosol Optical Depth at 469nmvertically-integrated an + fc sfc
    aod550210207Total Aerosol Optical Depth at 550nmvertically-integrated an + fc sfc
    aod670210214Total Aerosol Optical Depth at 670nmvertically-integrated an + fc sfc
    aod865210215Total Aerosol Optical Depth at 865nmvertically-integrated an + fc sfc
    bcaod550210211Black Carbon Aerosol Optical Depth at 550nmvertically-integrated an + fc sfc
    duaod550210209Dust Aerosol Optical Depth at 550nmvertically-integrated an + fc sfc
    omaod550210210Organic Matter Aerosol Optical Depth at 550nmvertically-integrated an + fc sfc
    ssaod550210208Sea Salt Aerosol Optical Depth at 550nmvertically-integrated an + fc sfc
    suaod550210212Sulphate Aerosol Optical Depth at 550nmvertically-integrated an + fc sfc
    niaod550210250Nitrate aerosol optical depth at 550 nmvertically-integratedan + fc sfc
    amaod550210251Ammonium aerosol optical depth at 550 nmvertically-integratedan + fc sfc
    pm1210072Particulate matter d < 1 umsurface concentration
    fcsfc
    pm10210074Particulate matter d < 10 umsurface concentration
    fcsfc
    pm2p5210073Particulate matter d < 2.5 umsurface concentration
    fcsfc
    aermr01210001Sea Salt Aerosol (0.03 - 0.5 um) Mixing Ratioconcentration in airan + fcpl
    aermr02210002Sea Salt Aerosol (0.5 - 5 um) Mixing Ratioconcentration in airan + fcpl
    aermr03210003Sea Salt Aerosol (5 - 20 um) Mixing Ratioconcentration in airan + fcpl
    aermr04210004Dust Aerosol (0.03 - 0.55 um) Mixing Ratioconcentration in airan + fcpl
    aermr05210005Dust Aerosol (0.55 - 0.9 um) Mixing Ratioconcentration in airan + fcpl
    aermr06210006Dust Aerosol (0.9 - 20 um) Mixing Ratioconcentration in airan + fcpl
    aermr07210007Hydrophilic Organic Matter Aerosol Mixing Ratioconcentration in airan + fcpl
    aermr08210008Hydrophobic Organic Matter Aerosol Mixing Ratioconcentration in airan + fcpl
    aermr09210009Hydrophilic Black Carbon Aerosol Mixing Ratioconcentration in airan + fcpl
    aermr10210010Hydrophobic Black Carbon Aerosol Mixing Ratioconcentration in airan + fcpl
    aermr11210011Sulphate Aerosol Mixing Ratioconcentration in airan + fcpl
    aermr16210247Nitrate fine mode aerosol mass mixing ratioconcentration in airan + fcpl
    aermr17210248Nitrate coarse mode aerosol mass mixing ratioconcentration in airan + fcpl
    aermr18210249Ammonium aerosol mass mixing ratioconcentration in airan + fcpl
    aermr01210001Sea Salt Aerosol (0.03 - 0.5 um) Mixing Ratioconcentration in airan + fc ml
    aermr02210002Sea Salt Aerosol (0.5 - 5 um) Mixing Ratioconcentration in airan + fc ml
    aermr03210003Sea Salt Aerosol (5 - 20 um) Mixing Ratioconcentration in airan + fc ml
    aermr04210004Dust Aerosol (0.03 - 0.55 um) Mixing Ratioconcentration in airan + fc ml
    aermr05210005Dust Aerosol (0.55 - 0.9 um) Mixing Ratioconcentration in airan + fc ml
    aermr06210006Dust Aerosol (0.9 - 20 um) Mixing Ratioconcentration in airan + fc ml
    aermr07210007Hydrophilic Organic Matter Aerosol Mixing Ratioconcentration in airan + fc ml
    aermr08210008Hydrophobic Organic Matter Aerosol Mixing Ratioconcentration in airan + fc ml
    aermr09210009Hydrophilic Black Carbon Aerosol Mixing Ratioconcentration in airan + fc ml
    aermr10210010Hydrophobic Black Carbon Aerosol Mixing Ratioconcentration in airan + fc ml
    aermr11210011Sulphate Aerosol Mixing Ratioconcentration in airan + fc ml
    aermr16210247Nitrate fine mode aerosol mass mixing ratioconcentration in airan + fcml
    aermr17210248Nitrate coarse mode aerosol mass mixing ratioconcentration in airan + fcml
    aermr18210249Ammonium aerosol mass mixing ratioconcentration in airan + fcml




  • Expand
    titleGases


    short nameparameter IDnametype of variabletype of data (an,fc)type of level (pl,sfc,ml)
    gtco3210206GEMS Total column ozonevertically-integratedan +fcsfc
    tc_c2h6218045Total column ethanevertically-integratedan +fcsfc
    tc_c3h8218047Total column propanevertically-integratedan +fcsfc
    tc_c5h8218016Total column isoprenevertically-integratedan +fcsfc
    tc_ch4218004Total column methanevertically-integratedan +fcsfc
    tc_hno3218006Total column nitric acidvertically-integratedan +fcsfc
    tc_no218027Total column nitrogen monoxidevertically-integratedan +fcsfc
    tc_oh218030Total column hydroxyl radicalvertically-integratedan +fcsfc
    tc_pan218013Total column peroxyacetyl nitratevertically-integratedan +fcsfc
    tcco210127Total column Carbon monoxidevertically-integratedan +fcsfc
    tchcho210128Total column Formaldehydevertically-integratedan +fcsfc
    tcno2210125Total column Nitrogen dioxidevertically-integratedan +fcsfc
    tcso2210126Total column Sulphur dioxidevertically-integratedan +fcsfc
    tc_h2o2218003Total Column Hydrogen Peroxidevertically-integratedan + fc sfc
    c2h6217045Ethaneconcentration in airan +fcpl
    c3h8217047Propaneconcentration in airan +fcpl
    c5h8217016Isopreneconcentration in airan +fcpl
    ch4_c217004Methane (chemistry)concentration in airan +fcpl
    co210123Carbon monoxideconcentration in airan +fcpl
    go3210203GEMS Ozoneconcentration in airan +fcpl
    hcho210124Formaldehydeconcentration in airan +fcpl
    hno3217006Nitric acidconcentration in airan +fcpl
    no217027Nitrogen monoxideconcentration in airan +fcpl
    no2210121Nitrogen dioxideconcentration in airan +fcpl
    oh217030Hydroxyl radicalconcentration in airan +fcpl
    pan217013Peroxyacetyl nitrateconcentration in airan +fcpl
    so2210122Sulphur dioxideconcentration in airan + fcpl
    h2o2217003Hydrogen Peroxideconcentration in airan + fcpl 
    c2h6217045Ethaneconcentration in airan + fcml
    c3h8217047Propaneconcentration in airan + fcml
    c5h8217016Isopreneconcentration in airan + fcml
    ch4_c217004Methane (chemistry)concentration in airan + fcml
    co210123Carbon monoxideconcentration in airan + fcml
    go3210203GEMS Ozoneconcentration in airan + fcml
    hcho210124Formaldehydeconcentration in airan + fcml
    hno3217006Nitric acidconcentration in airan + fcml
    no217027Nitrogen monoxideconcentration in airan + fcml
    no2210121Nitrogen dioxideconcentration in airan + fcml
    oh217030Hydroxyl radicalconcentration in airan + fcml
    pan217013Peroxyacetyl nitrateconcentration in airan + fcml
    so2210122Sulphur dioxideconcentration in airan + fcml
    h2o2217003Hydrogen Peroxideconcentration in airan + fcml 




  • Expand
    titleOther (lsm, z, density, uvbed, uvbedcs)


    short nameparameter IDnametype of variabletype of data (an,fc)type of level (pl,sfc,ml)
    lsm172Land-sea mask2D parameteransfc
    z129Geopotential2D parameteransfc
    uvbed214002UV biologically effective dose2D parameterfcsfc
    uvbedcs214003UV biologically effective dose clear-sky2D parameterfcsfc
    den3089Density3D parameteran + fcpl
    den3089Density3D parameteran + fcml
    lnsp152Logarithm of surface pressure2D parameteran + fcml



...

The data volumes are based on the current CAMS experiment (link).


 

file size (GRIB / NC)

No. of fields
per file

No. of variables

No. of files (GRIB or NC)

Total size (GRIB)

Total size (NC)

an_sfc1.2 MB / 800 kB1151518 MB12 MB

an_pl

30 MB / 20 MB251624697 MB465 MB
an_ml70 MB / 47 MB6016251,7 GB1,1 GB
fc_sfc1.2 MB / 800 kB12633883,9 GB2,6 GB
fc_pl30 MB / 20 MB252498428 GB19 GB
fc_ml70 MB / 47 MB6025102568 GB45 GB
  Total 5461102 GB68 GB

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