2018-04-06
17471000
2023-04-04
18:49:26.52
editor:esri.dijit.metadata.editor
1.0
North American Profile of ISO19115 2003
NAP
false
TRUE
1678919647857r23338768553521128
2023-03-15
18:34:07.57
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
AirNow National AQI Forecast
<div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>This United States Environmental Protection Agency (US EPA) feature layer represents interpolated contour surfaces based on updated hourly <a href='https://www.airnow.gov/index.cfm?action=aqibasics.aqi' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank'>Air Quality Index (AQI)</a> values for <b>the most recent hour</b> available. <font style='font-family:inherit;'>The interpolated surfaces are for <b>Ozone (O3)</b> and <b>Particulate Matter 2.5 (PM2.5)</b> combined, and currently for the US only. </font>The source of this feature layer is GRIB2 files located <a href='https://files.airnowtech.org/?prefix=airnow' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none;' target='_blank'>here</a>.</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><br /></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>Please note, the values within the Gridcode field correlate to the following AQI Categories:<br /></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><br /></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>1 = AQI Category: "Good"</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>2 = AQI Category: "Moderate"</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>3 = AQI Category: "Unhealthy for Sensitive Groups"</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>4 = AQI Category: "Unhealthy"</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>5 = AQI Category: "Very Unhealthy"</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>6 = AQI Category: "Hazardous"</div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><br /></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><div style='font-family:inherit;'>Map and forecast data are collected using federal reference or equivalent monitoring techniques or techniques approved by the state, local or tribal monitoring agencies. To maintain "real-time" maps, the data are displayed after the end of each hour. Although preliminary data quality assessments are performed, the data in <a href='https://www.airnow.gov/' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank'>AirNow</a> are not fully verified and validated through the quality assurance procedures monitoring organizations used to officially submit and certify data on the <a href='https://www.epa.gov/aqs' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank'>EPA Air Quality System (AQS)</a>.</div><div style='font-family:inherit;'><br /></div><div style='font-family:inherit;'>This data sharing, and centralization creates a one-stop source for real-time and forecast air quality data. The benefits include quality control, national reporting consistency, access to automated mapping methods, and data distribution to the public and other data systems.<br /></div><div style='font-family:inherit;'> </div><div style='font-family:inherit;'><div style='font-family:inherit;'>The U.S. Environmental Protection Agency, National Oceanic and Atmospheric Administration, National Park Service, tribal, state, and local agencies developed the <a href='https://www.airnow.gov/' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank'>AirNow</a> system to provide the public with easy access to national air quality information. State and local agencies report the <a href='https://www.airnow.gov/index.cfm?action=aqibasics.aqi' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank'>Air Quality Index (AQI)</a> for cities across the US and parts of Canada and Mexico.</div><div style='font-family:inherit;'> </div><div style='font-family:inherit;'><a href='https://www.airnow.gov/' rel='nofollow ugc' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank'>AirNow</a> data are used only to report the AQI, not to formulate or support regulation, guidance or any other EPA decision or position.</div></div></div>
This feature layer is updated hourly and reflects the latest AirNow AQI contours for the most recent hour available. The interpolated surfaces are for Ozone (O3) and Particulate Matter 2.5 (PM2.5) combined, and currently for the US only.
US EPA, Office of Air and Radiation, Office of Air Quality Planning and Standards (OAQPS)
USEPAAQIAirQualityIndexOAQPSAirNowOARUnited StatesEPAEnvironmental Protection AgencyAir Quality IndexEnvironmentMonitoringDataAir QualityUS EPAContoursInterpolationSurfacesPM2.5Particulate MatterOzoneO3
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