http://robertscribbler.com/2016/02/29/carbon-monoxide-spikes-to-34000-parts-per-billion-over-california-on-february-26-what-the-heck-is-going-on/ http://roberts

http://robertscribbler.com/2016/02/29/carbon-monoxide-spikes-to-34000-parts-per-billion-over-california-on-february-26-what-the-heck-is-going-on/ http://robertscribbler.com/2016/02/29/carbon-monoxide-spikes... Article discussing the data with this tl;dr quote: "Earth Nullschool — the site that produces the above satellite data has listed a final confirmation. The measure used to interpret atmospheric data was in the process of being re-calibrated and produced a stronger than typical signal. In other words, high CO readings for this region were a glitch"