2006 Annual Performance & Progress Report: Air Quality in National Parks
National Park Service, Air Resources Division. 2007. 2006 Annual Performance & Progress Report: Air Quality in National Parks. Air Resources Division, NPS. Denver, CO
For the 2006 Annual Performance & Progress Report, air quality data collected from 1996-2005 were examined for trends in several air quality parameters in reporting parks. Air quality parameters examined in the analysis included visibility on the clearest and the haziest days, wet atmospheric deposition of sulfate, nitrate, and ammonium, and ozone concentrations. A park was considered to have improving or stable air quality if none of the measures show a statistically significant degrading trend. At the time of this report, the National Parks Service was exceeding air quality performance goals for 2006, with 86 percent of the reporting parks showing stable or improving air quality trends generally, 97 percent meeting visibility goals, and 82 percent meeting national ambient air quality standards. The target goals for 2006 were 66 percent, 88 percent, and 78 percent, respectively.
- Type
- Unpublished Report
- Authors
- National Park Service, Air Resources Division
- Date of Issue
- 2007-10
- Publisher
- Air Resources Division, NPS
- Units
- ARD , JOTR
- Keywords
- Aerosols, Air Quality, Air Resources, ARD_Park-Air-Info_Collection, Atmospheric Deposition, Contaminants, Deposition, ecological health, Haze, Mercury, Monitoring, National Parks, Nitrogen, Ozone, status and trends, Sulfur, Toxics, Visibility