Colorado no longer violates carbon monoxide pollution standards

Traffic starts to slow during the ... — Traffic starts to slow during the morning rush hour along southbound Interstate 25 heading toward the Denver Tech Center last spring. CDOT is ramping up an initiative to precisely time ramp meters to reduce congestion in the busily traveled corridor. (RJ Sangosti, The Denver Post)

By Noelle Phillips | nphillips@denverpost.com | The Denver Post

PUBLISHED: August 16, 2024 at 6:00 AM MDT | UPDATED: August 16, 2024 at 7:29 AM MDT

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State air regulators celebrated a rare air quality achievement.

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It took 50 years but Colorado finally met federal standards to lower carbon monoxide pollution

State air regulators celebrated a rare air quality achievement

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