Category: Air Quality

Statewide Emissions Inventory Program

Menu Contacts Definitions Introduction Statewide Emissions Inventories 2017 Statewide Oil & Gas Emissions Inventory 2017 Annual Emissions Inventory Submittals Purpose and Method The emissions inventory is one means used by the state to assess the level of pollutants released into the air from various sources. A group of common air pollutants regulated by the Environmental …

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Air Quality Employer Based Trip Reduction

The Utah Division of Air Quality (DAQ) is hosting a series of meetings to highlight vehicle trip reduction strategies and other mobile-related emissions measures that companies can implement to reduce their contribution to poor air quality, provide benefits to their employees, and reduce company costs associated with transportation. Air quality has become a major concern …

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Division of Air Quality
2018 State of the Environment Report

The Division of Air Quality (DAQ) protects Utah’s air through a variety of programs that protect, maintain, and enhance the air quality in the state. DAQ ensures the state’s compliance with the National Ambient Air Quality Standards (NAAQS) and visibility standards at its national parks, enacts rules pertaining to air-quality standards, develops plans to meet …

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Research Projects
2018 State of the Environment Report (AQ)

Legislative funding for air-quality research has provided DAQ with the resources to investigate the complex conditions that lead to high pollution levels during winter inversions and summer ozone episodes. Better understanding of the unique conditions that lead to poor air quality helps DAQ craft effective regulations, target emission sources, and apply appropriate emission-control technologies. In …

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Tier 3 Fuels
2018 State of the Environment Report (AQ)

Tier 3 gasoline is part of the latest generation of jointly-issued vehicle emission and fuel standards developed by the EPA. Under Tier 3 (171.32 KB), the sulfur content of gasoline will be reduced from an average of 30 parts per million (ppm) down to 10 ppm to enable the more efficient operation of vehicle emission-control systems. …

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