Dossier
Ozone Action Day Alert
Coverage of Ozone Action Day Alert in the Nexus archive.
- 15th consecutive Ozone Action Day Alert issued, but what's the record?
The 15th consecutive Ozone Action Day Alert has been issued, though it does not approach the record for such alerts. Data from CDPHE confirms this streak of alerts is notable but not unprecedented.
- Summer sizzle continues Sunday; near-record heat early next week
A powerful high-pressure ridge is causing record-breaking heat across Colorado, with Denver metro temperatures reaching the upper 90s and parts of the Western Slope hitting triple digits. Extreme Heat Warnings and Ozone Action Day Alerts are in effect, with near-record temperatures expected early next week before potential monsoon moisture returns by next weekend.