Learning curve?

1. LOOK closer @ shots - so as not to miss bits.
2. Try harder to process two similarly.
       That aside; I'm wondering - What made the a.m. air SO much worse than the more normal (p.m.) air?
      One could be forced to wonder Where the SO2 and two oxides of Nitrogen AND, considering I hadn't even lit the Gas by then Where the @£$%^& did all that CO come from; CO2 I could understand, I'm exhaling that.