An inversion across the Front Range is trapping particulates and pollution, leading to the return of Denver's "brown cloud."
Car pool and take public transportation Wednesday to cut down the amount of pollution trapped in the atmosphere.
Air Quality across the Front Range Wednesday is forecast to be "unhealthy for sensitive groups" -- through it has also spiked to "unhealthy" at times. Anyone with respiratory problems may want to limit their time outside.
The good news is that air quality will be better on Thursday.
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