CDPHE and RMNP Ozone Data Plots
Date (mm/dd/yyyy):
CDPHE PM2.5 data is available starting 11/01/2019. All data is preliminary.
Select a station in legend to toggle on/off in graph. Mouseover a station in legend to highlight trace. Click and drag to expand X or Y axis.
Data is updated at about 4 minutes past the hour. Data source: Air Quality Report View page of the Colorado Department of Public Health & Environment.