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2025 Hazard Mitigation Plan <br />Kittitas County, Washington <br />l"F-,r.rN <br />,jrt <br />'*# <br />i <br />t.. - <br />Kittitag <br />$, <br />Kittitas County: Wildfire Risk To Homes <br />a <br />a' <br />t. <br />I <br />i <br />HighwaY fry More Risk <br />- <br />lnteEtate <br />' - River <br />Less Risk <br />Kittilas <br />Rlsk To Homes <br />Value <br />State Road <br />Lakes <br />a, <br />I <br />i <br />02.55 10 15 <br />Miles <br />Figure 4-24. Kittitas County Wildfire Risk to Homes <br />4.6.9.3. Hazard ExtenUlntensity <br />Wildfires are considered a natural and necessary component of wildland ecology. As a result, wildfires <br />are not considered a major hazard unless their movement threatens lives, homes, communities, critical <br />infrastructure, and natural and cultural resources. <br />Even if a wildfire is not occurring within Kittitas County, wildfire smoke can affect the visibility and air <br />quality of the region. The United States Environmental Protection Agency (EPA) use the Air Quality lndex <br />(Aal) to report air quality. The AQI is divided into six (6) categories, listed in Table 4-140, each of which <br />corresponds to a different level of health concern. <br />Table 4-140. Air Quality lndex for Ozone and Particulate Pollution <br />'4&*i''il"Good 0to50 Air quality is satisfactory, and air pollution poses little or <br />no risk. <br />Yellow Moderate 5'1 to 100 <br />Air quality is acceptable. However, there may be a risk <br />for some people, particularly those who are unusually <br />sensitive to air pollution. <br />Daily AQI <br />Color <br />Levels of <br />Concern <br />Values of <br />lndex Description of Air Quality <br />Chapter 4. Hazard ldentification and Risk Assessment 189