Hualapai Nation


Air Quality - Class I Re-designation

The Hualapai Tribe’s Air Quality Program currently operates a Class 2 air shed.  The Hualapai Tribe is considering re-designation of their air shed from a Class 2 to a Class 1 air shed.  A public meeting was held to listen to issues and concerns regarding re-designation.  The Hualapai Tribe has not considered the proposal any further, and the Class 2 designation remains as it stands today.

The Hualapai Nation of the Grand Canyon encompasses nearly one million acres of the Colorado Plateau and has a northern boundary consisting of 108 miles of the Grand Canyon and the Colorado River. Hualapai continue to inhabit their aboriginal Homelands; since time immemorial. Our Air Quality Program is dedicated to Protecting, Preserving, and Enhancing the Culture and Environmental Resources of all Hualapai Tribal Lands. 


Air Quality, 
Hualapai, monitoring stations, dnr, natural resources, Clean Air Act


The Air Program operates under the Hualapai Air Ordinance with a EPA approved Quality Assurance Project Plan (QAPP). The QAPP serves as a reference document for implementing the QA program and provides detailed operational procedures for measurement processes used by the tribe. Acceptable quality assurance procedures are necessary to provide data that meets the basic objectives and minimizes the loss of data. Data obtained are submitted to the EPA’s Aerometric Information Retrieval System-Air Quality System (AIRS-AQS).

The Clean Air Act (CAA) and its amendments provide the framework for protecting air quality. It requires EPA to set national air quality standards for certain pollutants and it requires EPA to develop programs to address specific air quality problems. The CAA also establishes EPA’s enforcement authority and provides for air quality research. National air quality standards ensure that all Americans have the same basic health and environmental protections. Federal funds assist the Hualapai Nation to build tribal capacity and to train tribal members in the protection of their federal Trust Resource – clean air.


Monitoring stations are currently maintained by the Air Program


Monitoring stations are currently maintained by the Air Program that keep an eye on particulates emitted in the surrounding areas that would cause a potential health hazard to members of the nearby communities.

We currently measure for:

The Hualapai Air Program has been monitoring air quality including Particulate Matter at 3 air monitoring stations on the Hualapai Reservation; Peach Springs, Grand Canyon West, and the Big Sandy since 1997.

PM 10 contaminants which include items like dust, smoke, and soot
PM 2.5 which samples finer particulates at 2.5 microns
Basic meteorological data collection which includes; wind speed and direction, solar radiation, humidity, and rain fall gauging.

                                                                             particulate matter sources

Public awareness is crucial to help maintain efforts to protect the most sensitive groups of our communities which are the elderly and infant populations, along with those affected by conditions such as asthma and pulmonary respiratory disease.

"Dust" is a term loosely applied to solid particles capable of temporary suspension in air or other gases. Pulverized dirt or sand from dry earth or dirt roads can contribute to low visibility and health issues. Dust also includes an assortment of specific dust subtypes arising as by products in various industries, most notably; mining, construction, demolition, refining, manufacturing, and processing.

Smoke from wildfires is a mixture of gases and fine particles from burning trees and plant materials. Smoke can hurt your eyes, irritate your respiratory system, and worsen chronic heart and lung diseases.

Smoke produced from burning debris around the community, commercial accidents, or natural disasters such as forest fires is unhealthy for you and your family to breathe. It can cause shortness of breath or tightness in the chest or coughing. It also can sting your eyes, nose, or throat.

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