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The table shows the list of all the public CAMS Global air quality layers (last reviewed on 2119-0105-2021):
| Variables | Units | Layers | Notes |
|---|---|---|---|
| Black carbon aerosol optical depth at 550 nm | dimensionless | composition_bbaod550 | |
| Carbon Dioxide at 850 hPa | kg kg-1 | composition_co2_850 | |
| Carbon Dioxide at 500 hPa | kg kg-1 | composition_co2_500 | |
| Carbon Dioxide at 300 hPa | kg kg-1 | composition_co2_300 | |
| Carbon Dioxide at 50 hPa | kg kg-1 | composition_co2_50 | |
| Carbon Monoxide at upper level | kg kg-1 | composition_co_upper level | |
| Carbon Monoxide at 850 hPa | kg kg-1 | composition_co_850 | |
| Carbon Monoxide at 700 hPa | kg kg-1 | composition_co_850 | Mole fractions of carbon monoxide at 700 hPa level illustrate long-range transport of pollutants. |
| Carbon Monoxide at 500 hPa | kg kg-1 | composition_co_500 | |
| Carbon Monoxide at 300 hPa | kg kg-1 | composition_co_300 | |
| Carbon Monoxide at 50 hPa | kg kg-1 | composition_co_50 | |
| Carbon Monoxide at surface | kg kg-1 | composition_co_surface | |
| Fire radiative power | W m-2 | composition_fire | |
| Dust aerosol optical depth at 550 nm | dimensionless | composition_duaod550 | Dust aerosol optical depth (AOD) at 550 nanometers is a measure of the amount of dust particles in the atmosphere which block sunlight by absorbing or by scattering light. |
| Formaldehyde at 850 hPa | kg kg-1 | composition_hcho_850 | |
| Formaldehyde at 500 hPa | kg kg-1 | composition_hcho_500 | |
| Formaldehyde at 300 hPa | kg kg-1 | composition_hcho_300 | |
| Formaldehyde at 50 hPa | kg kg-1 | composition_hcho_50 | |
| Formaldehyde at surface | kg kg-1 | composition_hcho_surface | |
| Methane at 850 hPa | kg kg-1 | composition_ch4_850 | |
| Methane at 500 hPa | kg kg-1 | composition_ch4_500 | |
| Methane at 300 hPa | kg kg-1 | composition_ch4_300 | |
| Methane at 50 hPa | kg kg-1 | composition_ch4_50 | |
| Nitrogen dioxide at 850 hPa | kg kg-1 | composition_no2_850 | |
| Nitrogen dioxide at 500 hPa | kg kg-1 | composition_no2_500 | |
| Nitrogen dioxide at 300 hPa | kg kg-1 | composition_no2_300 | |
| Nitrogen dioxide at 50 hPa | kg kg-1 | composition_no2_50 | |
| Nitrogen dioxide at surface | kg kg-1 | composition_no2_surface | |
| Particulate matter d < 10 µm | kg m-3 | composition_pm10 | |
| Particulate matter d < 2.5 µm | kg m-3 | composition_pm2p2 | |
| Ozone at 850 hPa | kg kg-1 | composition_o3_850 | |
| Ozone at 500 hPa | kg kg-1 | composition_o3_500 | |
| Ozone at 300 hPa | kg kg-1 | composition_o3_300 | |
| Ozone at 50 hPa | kg kg-1 | composition_o3_50 | |
| Ozone at surface | kg kg-1 | composition_o3_surface | Mole fractions of ozone at the surface illustrate photochemical activity which drives much of tropospheric chemistry. |
| Sea salt aerosol optical depth at 550 nm | dimensionless | composition_ssaod | |
| Sulphate aerosol optical depth at 550 nm | dimensionless | composition_suaod | |
| Sulphur dioxide at 850 hPa | kg kg-1 | composition_so2_850 | |
| Sulphur dioxide at 500 hPa | kg kg-1 | composition_so2_500 | |
| Sulphur dioxide at 300 hPa | kg kg-1 | composition_so2_300 | |
| Sulphur dioxide at 50 hPa | kg kg-1 | composition_so2_50 | |
| Sulphur dioxide at surface | kg kg-1 | composition_so2_surface | |
| Total aerosol optical depth at 550 nm | dimensionless | composition_aod550 | Aerosol optical depth (AOD) at 550 nanometers is a measure of the total amount of particles in the atmosphere (dust, smoke, pollution, sea salt) which block sunlight by absorbing or by scattering light |
| Total column Carbon Monoxide | kg m-2 | composition_co_totalcolumn | |
| Total column Formaldehyde | kg m-2 | composition_hcho_totalcolumn | |
| Total column Nitrogen dioxide | kg m-2 | composition_no2_totalcolumn | |
| Total column Ozone | kg m-2 | composition_o3_totalcolumn | |
| Total column Sulphur dioxide | kg m-2 | composition_so2_totalcolumn | |
| Total sky UV index forecast | composition_uvindex | ||
| Clear-sky UV index | composition_uvindex_clearsky |
Examples of requests
A sample request, to select of CAMS Global air quality layers, uses the following syntax:
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