The AIR Data Monitor Values Report displays air pollution measurements recorded by thousands of monitoring stations throughout the United States. The report shows a yearly summary of the measurements at each of those monitoring stations. EPA uses the types of air pollution values shown in this report to determine attainment or non-attainment of national air quality standards . Each row of the Monitor Values Report displays air pollution levels measured at a single monitoring site in one of the last six years.
Red text highlights locations where a reported value exceeded an air quality standard.
Sorting You can use the SORT buttons in each report column to change the order of rows in the report. The default sort order is Monitor ID, which arranges rows in order of state, county, monitoring site, and year. AIR Data automatically adds year as a secondary sort key for most report columns. If a report includes data for multiple years, rows having identical values for the primary sort key, which you choose with the SORT buttons, are arranged in ascending order by year. Detail or Summary This is always a detail report .