{"id":518,"date":"2024-04-15T12:19:32","date_gmt":"2024-04-15T16:19:32","guid":{"rendered":"https:\/\/www.vdh.virginia.gov\/environmental-public-health-tracking\/?page_id=518"},"modified":"2026-03-11T14:58:38","modified_gmt":"2026-03-11T18:58:38","slug":"pm2-5-percent-of-days-over-air-quality-standard-monitor-only","status":"publish","type":"page","link":"https:\/\/www.vdh.virginia.gov\/environmental-public-health-tracking\/air-quality\/pm2-5-percent-of-days-over-air-quality-standard-monitor-only\/","title":{"rendered":"PM2.5: Percent of Days over Air Quality Standard (Monitor Only)"},"content":{"rendered":"<div id=\"pl-518\"  class=\"panel-layout\" ><div id=\"pg-518-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-518-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-518-0-0-0\" class=\"so-panel widget widget_sow-headline panel-first-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-headline so-widget-sow-headline-default-dcc4b020ac78-518\"\n\t\t\t\n\t\t><div class=\"sow-headline-container \">\n\t\t\t\t\t\t\t<h1 class=\"sow-headline\">\n\t\t\t\t\t\tPM2.5: Percent of Days over Air Quality Standard (Monitor Only)\t\t\t\t\t\t<\/h1>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"decoration\">\n\t\t\t\t\t\t<div class=\"decoration-inside\"><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n<\/div><\/div><div id=\"panel-518-0-0-1\" class=\"so-panel widget widget_sow-editor\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>Virginia EPHT provides a \u201cData Embedded Visualization\u201d (a mirror image) of air quality data available from <a href=\"https:\/\/ephtracking.cdc.gov\/DataExplorer\/\">CDC's Environmental Public Health Tracking Network<\/a>. Displayed below are the percent of days, based on monitor data, over the daily PM2.5 National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter.<\/p>\n<p>To view information about the calculations, uses, sources, and more, please click the green About Data button in the upper right corner of the map. To download the map data, please use the download button next to the About Data button.<\/p>\n\n<!-- iframe plugin v.6.0 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" title=\"AIR QUALITY | NATIONAL AMBIENT AIR QUALITY STANDARDS (NAAQS) | PM2.5: PERCENT OF DAYS OVER AIR QUALITY STANDARD (MONITOR ONLY) | VIRGINIA\" src=\"https:\/\/ephtracking.cdc.gov\/DataExplorer\/?query=e8687cd1-a385-4bd0-9254-208f2e41535b&#038;G1=1&#038;G5=10&#038;M9=3\" width=\"1038\" height=\"900\" scrolling=\"yes\" class=\"iframe-class\" frameborder=\"0\"><\/iframe>\n\n<\/div>\n<\/div><\/div><div id=\"panel-518-0-0-2\" class=\"so-panel widget widget_sow-editor panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>To view information about the calculations, uses, sources, and more, please click the green About Data button in the upper right corner of the map. To download the map data, please use the download button next to the About Data button.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Virginia EPHT provides a \u201cData Embedded Visualization\u201d (a mirror image) of air quality data available from CDC&#8217;s Environmental Public Health Tracking Network. Displayed below are the percent of days, based on monitor data, over the daily PM2.5 National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter. To view information about the calculations, [&hellip;]<\/p>\n","protected":false},"author":657,"featured_media":0,"parent":381,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","inline_featured_image":false,"footnotes":""},"tags":[],"class_list":["post-518","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PM2.5: Percent of Days over Air Quality Standard (Monitor Only) - Environmental Public Health Tracking<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vdh.virginia.gov\/environmental-public-health-tracking\/air-quality\/pm2-5-percent-of-days-over-air-quality-standard-monitor-only\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PM2.5: Percent of Days over Air Quality Standard (Monitor Only) - Environmental Public Health Tracking\" \/>\n<meta property=\"og:description\" content=\"Virginia EPHT provides a \u201cData Embedded Visualization\u201d (a mirror image) of air quality data available from CDC&#039;s Environmental Public Health Tracking Network. 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