PM2.5: Percent of Days over Air Quality Standard (Monitor + Modeled Data)
Virginia EPHT provides a “Data Embedded Visualization” (a mirror image) of air quality data available from CDC's Environmental Public Health Tracking Network. Displayed below are the percent of days, based on monitor and modeled 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, 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.
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.