Category: Air Quality

  • Hazardous Air Pollutants (HAPS)

    The increased awareness in recent years of the dangers of toxic air pollutants has caused Congress to design regulatory efforts to control toxic substances in the air. These hazardous air pollutants (HAPS) are air pollutants for which National Ambient Air Quality Standards (NAAQS) do not exist. These pollutants may be expected to cause cancer, developmental…

  • 2015 Study:
    Hazardous Air Pollutants (HAPS)

    Hazardous air pollutants (HAPs) are air pollutants that are known to cause or suspected to cause serious, adverse health effects. They come from a wide variety of industrial, residential, and mobile sources. The Division of Air Quality (DAQ) conducted a year-long pilot study in 2015 to learn more about HAPs in the Salt Lake and…

  • Carbon Monoxide

    Carbon monoxide (CO) is a colorless and odorless gas that can be lethal in high concentrations. The National Ambient Air Quality Standards (NAAQS) for CO is 9 parts per million (ppm) on an eight-hour average or 35 ppm on a one-hour averaging period. CO occurs naturally by the decomposition of organic matter. The primary man-made…

  • Frequently Asked Questions:
    Asbestos

    What is Asbestos? Asbestos is a name given to a group of minerals which occur naturally as masses of long silky fibers. Asbestos is known for its unique properties of being resistant to abrasion, inert to acid and alkaline solutions, and stable at high temperatures. Because of these attributes, asbestos was widely used in construction…

  • Sulfur Dioxide (SO2)

    Background Sulfur oxides (SOx) are colorless gases that are the result of burning sulfur. All fuels used by man (oil, coal, natural gas, wood, etc.) contain some sulfur, and during the combustion process, sulfur reacts with oxygen to form SOx. The primary source of sulfur oxides is the burning of these fossil fuels, particularly coal,…

  • June 5, 2019 Agenda: Air Quality Board

  • Check Daily Air Quality Forecast to Plan Ahead & Protect Health

    Utah DEQ provides air-quality forecasting throughout the summer through its UtahAir app, website, and regular email updates.

  • About the Division of Air Quality

    Our mission Safeguarding and improving Utah’s air, land and water through balanced regulation. Our vision Clean air, land and water for a healthy and prosperous Utah.

  • MACTs and Other NESHAPs:
    Air Toxics Lead and Asbestos Section (ATLAS)

    Maximum Achievable Control Technology (MACT) Rules The 1990 Clean Air Act (CAA) Amendments established a new and fairly complex program to regulate emissions of 188 hazardous air pollutants (HAPs) from particular industrial sources. The Act required the US Environmental Protection Agency (USEPA) to regulate emissions of these HAPs by developing and promulgating technology-based standards based…

  • Planning Branch:
    Division of Air Quality

    The Planning Branch is responsible for developing comprehensive plans (also known as State Implementation Plans (SIPs)) to reduce air pollution, and developing rules that set requirements on air emissions for both individuals and industry in Utah. The planning Branch is composed of three sections: Emissions Inventories Emissions Inventories are routinely compiled to understand the origins…

  • Sections:
    State Implementation Plan (SIP)

    Foreword Section I: Legal Authority Section II: Review of New and Modified Air Pollution Sources Section III: Source Surveillance Section IV: Ambient Air Monitoring Program Section V: Resources Section VI: Intergovernmental Cooperation Section VII: Prevention of Air Pollution Emergency Episodes Section VIII: Prevention of Significant Deterioration This section includes plans for all pollutants for which…

  • State Implementation Plan (SIP)

    Jump to: Nonattainment and Maintenance Area information Foreword SIP Foundation Sections Introduction To protect public health, the Clean Air Act (42 U.S.C Section 7401) requires that federal standards be set to limit the maximum levels of pollutants in the outdoor air. Each state is responsible for developing plans to demonstrate how those standards will be…

  • New DEQ Tech Support Center Open

    The Utah Department of Environmental Quality’s new 21,500-square-foot Tech Support Center contains labs, storage for scientific equipment, and areas for sampling and analyzing work. The grand opening is set for May 21, 2019.

  • May 1, 2019 Agenda: Air Quality Board

  • Understanding Utah’s Air Quality

    Utah’s Department of Environmental Quality’s Division of Air Quality often hears from resident who want to know more about Utah’s air quality, the pollutants, the causes, and what they can do to help reduce their emissions.

  • Clean Air Mercury Rule

    The Clean air Mercury Rule was signed on May 18, 2005. Public Interest Mercury The Department of Environmental Quality is concerned about elevated levels of mercury in Utah, and has begun a program to control airborne mercury emissions. In May of 2005, EPA issued a final rule, Clean Air Mercury Rule (CAMR), to address mercury…

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