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How are air quality models used?Assessing the existing air quality situation – for example showing exceedances of EU or national air quality standards, calculating population exposure to pollution and health impacts, and identifying contributions of air pollutants from different sources.Air quality forecasting – many national, regional and local authorities have established forecasting systems to warn the public when air pollution episodes are expected.Air quality planning – identifying possible measures to reduce emissions, and developing emissions reduction scenarios.
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