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winter sunrise

Earlier, the reds of sunrise show through and the blues are not yet showing

Why Are Boulder Winter Sunrises So Colorful? There’s A Reason!

Winter sunrises often look shockingly colorful – especially those intense reds glowing against the cold blue of a brightening sky – because several winter-specific conditions line up perfectly to paint the sky more dramatically than at other times of year. That’s all fine, but WHY is it so??? Why winter sunrises explode with color: Lower […]

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Boulder Colorado Air Quality

A Day on Boulder Creek

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