Site Operator: Missouri Department of Natural Resources' Environmental Services Program.
County: Callaway Site ID: 29-027-0002
Pollutants Monitored: Ozone (O3)
The three-year average of the fourth-highest daily maximum eight-hour average must not be greater than 0.075 ppm (parts per million). To attain this standard, the three-year average of the fourth-highest daily maximum eight-hour average ozone concentrations measured at each monitor within an area over each year must not exceed 0.075 ppm. (Effective May 27, 2008).
The term exceedance does not apply to the eight-hour standard. The three-year average is used to determine designation of attainment or non-attainment.
Disclaimer: Yearly and quarterly data shown below has been subject to data review and validation procedures by the reporting agency.
|Year||Number of Days