Colorado air pollution regulators made the rare move this month to extend the public comment period on a permit that would allow a pipeline company to expand its gasoline storage facility across the street from an elementary school in a neighborhood north of Denver.

The extension comes amid criticism that regulators at the Colorado Department of Public Health and Environment and executives at Magellan Pipeline Company did not communicate with people about plans to expand gasoline storage at the Dupont Terminal at 8160 Krameria St. in unincorporated Adams County.

The expansion would increase the amount of toxins released into the air in a community that already suffers a disproportional amount of pollution compared to the rest of the state.

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Haze blanketed Colorado on Monday as wildfire smoke drifted from Canada, and the gray skies are expected to hover overhead for at least another 24 hours.

The wildfire smoke led the Colorado Department of Public Health and Environment and the Regional Air Quality Council on Monday to issue public health advisories, recommending people limit outdoor activity. The smoke is increasing the amount of ozone and fine particulate matter in the air.

Air monitors across northern Colorado and the Front Range were showing high concentrations of particulate matter, which can be smoke, soot, ash or liquid particles that people can inhale.

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The world’s first legal sale of recreational marijuana happened in Denver on Jan. 1, 2014. In fact, it happened twice.

Mason Tvert was managing the onslaught of media that descended on the Mile High City to witness the historic moment, set in motion by the successful legalization campaign he’d led. So many camera crews and reporters showed up that morning that Tvert decided to rotate two groups through the dispensary’s sales floor — with each transaction billed as the first time anyone 21 or older could legally buy weed simply by walking into a store, showing ID and paying for it, no doctor’s note necessary.

Cannabis enthusiasts also flocked to downtown Denver that day. Lines outside the new rec stores stretched down city blocks. Buyers exited with purchases in hand, holding them overhead like victory trophies. Rumors even swirled that some stores had sold out, only adding to the fervor.

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