Composite mapping tools

These on-line tools are used for FAIRMODE intercomparison exercises, where data from different groups are available in a common repository.  These on-line tools for benchmarking emissions and concentration are useful for “Assessment” purposes, focusing on:

• Emission benchmarking: 
  • Emission App: to compare different emission inventories and derive emission benchmarking indicators.
• Concentrations benchmarking
  • Concentration App: to compute the long-term Model Quality Objective (MQO) comparing model results and observed values, on yearly values data. 
  • Best model App: to interactively display best models for each administrative polygon at NUTS2 level, featuring on-the-fly models mosaic display.
  • Model viewers: to interactively overlap models and visualize concentration profiles charts along custom lines.

Please note that, to be able to upload maps in the Concentration App, you need to be authorized (to do so please write to our functional mailbox  JRC-FAIRMODE@ec.europa.eu and we'll activate your "upload" access).

A recording on how to use Concentration app the tool is available here https://webcast.ec.europa.eu/presentation-of-the-fairmode-concentration-dashboard-march-2026 (password: YMjh5356rkIY).

If you have any feedback or suggestions to improve the tools, please write to our functional mailbox JRC-FAIRMODE@ec.europa.eu. 

Model validation tools

These tools are for model validation for individual assessment. The tools are currently developed in Phyton while the legacy tools were initially developed as IDL-based tools.

There are two versions of these tools for different applications “Assessment” and “Forecast”

• Delta-tools assessment: to compute both the short -term and long-term Model Quality Objective of your model, used in assessment mode. This tool works with time series of model vs observed values, and compute all the suite of indicators as defined in the FAIRMODE WG2 guidance document.
  • To access the tool click here.
  • To see the python code used by the tool click here.
  • An example of data file sample can be found here.
• Delta-tool forecast:  to compute the Model Quality Objective of your model, used in forecasting mode. This tool works with time series of model vs observed values, and compute all the suite of indicators as defined in the FAIRMODE WG3 guidance document. 
  • To access the tool click here.
  • To see the python code used by the tool click here.
  • An example of data file sample can be found here.

The Delta-Tool user guide (for both assessment and planning) can be found here. 

If you have any feedback or suggestions to improve the tools, please write to our functional mailbox JRC-FAIRMODE@ec.europa.eu. 

Legacy versions (old versions of Delta Tools) 

Delta Tool (DT)

Most of the Tool's functionalities focus on comparing paired modelled and monitored data. It provides diagnostics on model performances using various statistical indicators and diagrams. Some of these statistical indicators are evaluated against threshold values, including performance criteria and model quality objectives. Since its launch in 2010, the Delta Tool has been widely used, with numerous modules added to its original setup.

Towards phasing out…

After many years of development, applications, and implementation of new modules and computational techniques, it became clear that the Delta Tool needed a substantial revision to enhance efficiency and to focus more on computing benchmarking indicators. This is the reason why the Delta Tool light has been developed

Delta Tool Light (DTL)

While the Delta Tool offers extensive features for analyzing air quality model results, its efficiency and batch mode are not well developed. The Delta Tool Light (DTL) prioritizes the calculation and visualization of indicators in multi-model, multi-species, multi-domain, and multi-period studies while considering different approaches to the modelling quality indicators and objectives (MQO and MQI). In addition to graphical representations of these indicators, DTL includes some useful supporting graphical options.

DTL has a general setup, with specific applications defined in an external file. The input formats for air quality model results (i.e., model output), observational data, and startup files (i.e., data regarding monitoring stations) remain identical to those used in the Delta Tool. DTL is currently written in IDL, but an R version will be available in the near future. The DELTA Assessment & Planning (Δ - A&P) software is an IDL-based model evaluation software developed in the framework of the FAIRMODE procedure for benchmarking of Air Quality Directive (AQD) modelling applications.

If your application has been already accepted you can download the DELTA tool and the Delta Tool Light below together with it's user's guides and with a demonstration dataset:

Downloads

Documents