Overview
Petrified Forest NP is an air monitoring station in Arizona, United States, operated by Mactec, Inc. It provides ambient air quality data as part of the national monitoring network.
Petrified Forest NP is an air monitoring station located within the Petrified Forest National Park in Navajo County, Arizona, United States. The station is operated by Mactec, Inc and is part of the national ambient air quality monitoring network, contributing to the assessment of air pollution levels in a remote, protected area. The station operates under the regulatory framework of the US EPA Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, and nitrogen dioxide. As a rural background site, it provides valuable data on regional air quality and long-range transport of pollutants, complementing urban monitoring stations. The environmental significance of this station lies in its location within a national park, where air quality is critical for protecting visibility, ecosystems, and visitor health. Data from this site supports the EPA's efforts to assess compliance with the Clean Air Act and to study the impacts of air pollution on sensitive natural areas.
Environmental context
The Petrified Forest NP monitoring station is situated in a remote, high-desert region of northeastern Arizona. The local environment is characterized by arid climate, sparse vegetation, and significant dust from natural sources. Air quality concerns include ozone transport from urban areas, fine particulate matter from wildfires and dust storms, and visibility impairment in the park. Monitoring at this site helps characterize background conditions and the influence of regional pollution sources.
Frequently asked questions
The station is located within the Petrified Forest National Park in Navajo County, Arizona, near the old southwest entrance on Old Route 180.
The station is operated by Mactec, Inc, a contractor for the reporting agency.
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS), which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
Air monitoring in national parks helps protect visibility, ecosystems, and public health. It provides data on regional air quality and the impact of pollution on sensitive natural areas.
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