Those in the mountains in recent days have likely noticed a haze floating around in Colorado's skies.
According to mapping from AirNow.gov, this haze appears to be from smoke that is traveling into Colorado from many fires burning in the Pacific Northwest, particularly those in Idaho and Montana. Mapping shows that smoke is currently the worst in northern Colorado, though this can change quickly with changes in air movement.
This smoke has contributed to poor air quality in some parts of Colorado, as has recent hot weather. Hot weather can contribute to increased ozone level concerns, particularly in urban areas like Denver.
Local air quality can fluctuate quite a bit throughout the day. If a haze is present in your area, check with the AirNow.gov website to see if any related alerts exist.
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