The latest OUV product and online quality flags
Latest product: O3MOUV_L3_20240223_v02p02.HDF5
Offline UV product contains 15 sub-products illustrated below.
OUV sub-products:
| Weighting | Daily dose [kJ/m2] | Daily maximum dose rate [mW/m2] |
|---|---|---|
| Erythemal Also known as erythemal weighting. Measures the reddening of the skin due to sunburn. |
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| DNA Measures the ability of UV irradiance to cause damage to unprotected DNA. |  |
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| Plant Measures the generalized response of plants to UV irradiance. |  |
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| Vitamin-D Measures the formation of vitamin D in human skin. |  |
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| UV-A Indicates the amount of integrated UVA radiation (315-400 nm). |  |
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| UV-B Indicates the amount of integrated UVB radiation (280-315 nm). |  |
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| Solar Noon UV Index | Description |
|---|---|
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UV index values are for local noon. Protection from the solar UV radiation is required when the UV index is 3 or higher. |
| Daily maximum j(O1D) | Description |
|---|---|
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j(O1D) is the rate constant for the photolysis of ozone. |
| Daily maximum j(NO2) | Description |
|---|---|
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j(NO2) is the rate constant for the photolysis of nitrogen dioxide. |
The quality flags that indicate various reasos for reduced data quality are illustrated below. More information of the quality flags can be found from the OUV Product User Manual (Table 5.6 on page 14).
Online quality flags:
| Missing data | Low quality | Medium quality |
|---|---|---|
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| Inhomogeneous surface | Polar night | Low Sun |
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| Out-of-range input data | No cloud data | Poor diurnal clouds |
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| Thick clouds | Albedo climatology | Look-up table overflow |
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| Number of AM cloud observations |
Number of PM cloud observations |
Hours between noon and cloud observation |
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