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Category Archives: Air Quality

Weather conditions trigger ozone alert for Denver, Front Range

The combination of scorching temperatures, light winds and clear skies could trigger increased ground-level ozone over the next 24 hours, prompting authorities to issue an air quality alert for metro Denver and the Front Range.

Haze obscures Colorado mountains, stars as pollution wafts into wilderness

The yellow-brown haze obscuring Colorado Front Range skies has wafted into national parks and wilderness, hurting habitat and reducing how far people can see by up to 60 miles — a problem federal authorities tried to tackle Wednesday in Denver. But an Obama administration proposal to tighten the nation’s regional haze rule faces turbulence over […]

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