| Summary: | The annual air quality indices are aimed at better taking into account of long-term exposure to air pollution. This type of indices offer decision-makers condensed environmental information for performance monitoring, policy progress evaluation, benchmarking comparisons, and decision-making. This paper evaluates the air quality of eight Turkish cities in view of the European Union (EU) norms. The proposed index aggregates concentrations of three air pollutants, namely sulphur dioxide, nitrogen dioxide, and particulate matter and it is built by using 2014 data from 20 air quality monitoring stations. According to the results obtained from the calculation, the EU standards were exceeded at 14 stations, while at six stations the situation is better than the norms. These results indicate that Turkey has failed in fulfilling the European air quality standards.
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