Tag Archives: nitrogen dioxide

During May 2021 Athens was the 5th most polluted city of Europe concerning Nitrogen Dioxide (NO2). Levels of NO2 are always very high in our city, way above the safety levels. The concentration of NO2 in the air may not exceed an annual average of 40 μg/m3, according to the EU Air Quality Directive. InContinue reading “During May 2021 Athens was the 5th most polluted city of Europe”