Aug 12, 2019 | News Room - News
Through 8/11/19 *Based on 8-hour averages of raw 1-hour ozone data from the Colorado Department of Public Health and Environment (CDPHE) and consistent with Data Reporting and Handling Conventions outlined in 40 CFR Part 50 – Appendix P. Previous Summary Next...
Aug 9, 2019 | News Room - News
The U.S. Environmental Protection Agency (EPA) is proposing to determine that the Denver Metro/North Front Range ozone nonattainment area did not meet the 2008 National Ambient Air Quality Standard (NAAQS) (i.e. 75 parts per billion (ppb)) by the specified deadline...
Aug 5, 2019 | News Room - News
Through 8/4/19 Previous Summary Next...
Aug 3, 2019 | News Room - News
The Denver Metro/North Front Range area is designated as nonattainment by the U.S. Environmental Protection Agency (EPA) for the pollutant ozone. The 2015 8-Hour Ozone Standard is 70 parts per billion (ppb) and is calculated using a rolling three-year average of the...
Jul 29, 2019 | News Room - News
Denver Metro/North Front Range Area – 2019 8-Hour Ozone Summary* Through 7/28/19 Previous Summary Next...
