what is the normal range for carbon dioxide
answer Id 351221; conversation id 363065. Brief Answer: Mildest Respiratory alkalosis, no worries Detailed Answer: Thank you for asking! Normal level of Carbon dioxide in arterial blood gases is 4.7-6.0 kPa or 35-45 mmHg.Now your level of 33 is almost normal though previous figure of 28 was respiratory alkalosis.