"Remarkable" spikes in air pollution in northern Colorado this year

Air pollutants east of Longmont were recently measured at the highest ever seen by a scientist with 40 years experience in the field. On January 6 and February 1, readings from air monitoring equipment at Union Reservoir, east of Longmont, spiked so high for the chemical ethane, it was far above what the equipment could measure. Methane, propane and other petroleum hydrocarbons were also extremely...