ProductivityAPAR
Absorbed photosynthetically active radiation
- What it measures
- The solar energy that vegetation captures to grow.
- How it is computed
- The fraction of radiation absorbed by vegetation, estimated from the MODIS EVI index, multiplied by the radiation reaching the ground.
- Unit
- MJ/m² per year
- Updates
- Every 16 days
- Series
- Since 2001
- Resolution
- 231 m
References
- Monteith, J. L. (1972). Solar radiation and productivity in tropical ecosystems. Journal of Applied Ecology 9: 747–766.DOI 10.2307/2401901 (opens in a new tab)
- Piñeiro, G., Oesterheld, M. & Paruelo, J. M. (2006). Seasonal variation in aboveground production and radiation-use efficiency of temperate rangelands estimated through remote sensing. Ecosystems 9: 357–373.DOI 10.1007/s10021-005-0013-x (opens in a new tab)

The map shows: Total for the 2025–26 growing year
Absorbed radiation through the year
MJ/m² every 16 days
Use the left and right arrow keys to move through the values.
View the data as a table
| Period starting | Average 2001–2026 | Year 2025–26 |
|---|---|---|
| 12 July | 27 | 25 |
| 28 July | 34 | 37 |
| 13 August | 41 | 47 |
| 29 August | 47 | 45 |
| 14 September | 61 | 72 |
| 30 September | 70 | 83 |
| 16 October | 80 | 89 |
| 1 November | 90 | 99 |
| 17 November | 90 | 103 |
| 3 December | 90 | 98 |
| 19 December | 89 | 106 |
| 1 January | 88 | 98 |
| 17 January | 90 | 101 |
| 2 February | 84 | 84 |
| 18 February | 84 | 93 |
| 6 March | 74 | 74 |
| 22 March | 64 | 68 |
| 7 April | 53 | 65 |
| 23 April | 41 | 46 |
| 9 May | 35 | 42 |
| 25 May | 29 | 27 |
| 10 June | 26 | 27 |
| 26 June | 26 | 28 |












