Measures taken by the Greek authorities throughout the 1990s have improved the quality of air over the Attica Basin . Nevertheless , air pollution still remains an issue for Athens , particularly during the hottest summer days . In late June 2007 , the Attica region experienced a number of brush fires , including a blaze that burned a significant portion of a large forested national park in Mount Parnitha , considered critical to maintaining a better air quality in Athens all year round . Damage to the park has led to worries over a stalling in the improvement of air quality in the city
brush fires
2007 Greek forest fires
Athens