The quality of the air in and around Delaware Water Gap National Recreation Area is generally considered Good. This normally translates into excellent viewshed conditions of the parks natural and cultural resources. Occasionally, during summer heat spells, inversions of atmospheres can occur causing higher levels of ozone and haze. On average, the recreation area may experience about 14 such days during a summer. On these days, the views and vistas of the water gap, the river valley, and the Kittatinny Mountains can be somewhat obscured.
Did You Know?
... that the Middle Delaware River exceeds ordinary federal standards for clean water. Because of this, special higher standards have been set for the river, so it does not "deteriorate" to being just "clean enough." The river in this park is, and will remain, truly "cleaner than clean." More...