Related Links: 2017 Statewide Oil & Gas Emissions Inventory 2014 Air Agencies Oil and Gas Emissions Inventory Oil & Gas Source Registration Ozone in the Uinta Basin Particulate Matter The Uinta Basin lies in the northeast corner of Utah and is bounded on the north by the Uinta Mountains, on the south by the Tavaputs …
Read MorePM2.5 UDAQ began monitoring PM2.5 in Vernal in December 2006. During the 2006-07 winter season, PM2.5 levels exceeded the new PM2.5 health standard that became effective in December 2006. The PM2.5 levels in Vernal were similar to other areas in northern Utah that experience wintertime inversions. The State of Utah is in the process of …
Read MoreSerious Area PM2.5 State Implementation Plan (SIP) Development PM2.5 PM10 Current Air Quality PM2.5 Trend Plots Utah Clean Air Partnership (UCAIR) Particulate matter (PM), also known as particle pollution, is a complex mixture of small solid particles and liquid droplets in the air. Some particulate matter, like soot, smoke, dust, or dirt, is large enough …
Read MoreUnder normal atmospheric conditions, air is warmer near the ground and colder at higher altitudes. In a temperature inversion, the situation “inverts,” and cold air at the surface gets trapped under a layer of warmer air. During the winter, snow-covered valley floors reflect rather absorb heat, preventing the normal vertical mixing of warm and cold …
Read MoreJump to: Air Quality Standards Area Designations Air Trend Plots Particulate matter (PM) is a complex mixture of small, solid particles and liquid droplets in the air. PM10 is particulate matter that is 10 microns (μm) or less in diameter. It is a mixture of materials that can include soot, metals, salt, and dust. Major …
Read MoreNonattainment Areas In 1987, the EPA set new air-quality standards for PM10 of 150µg/m3 over a 24-hour period and an average of 50 µg/m3 annually. Utah was initially unable to meet the 24-hour standard and was required to prepare State Implementation Plans for Salt Lake and Utah County. Ogden City was designated nonattainment on September …
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