CO (carbon monoxide) is because mostly from improperly burned fossil fuels from a combustion engine, carbon monoxide causes many health issues because CO grabs onto hydrocarbon which is oxygen in the blood. When you inhale carbon monoxide it takes oxygen from your blood and can cause dizziness nausea and coughing. This also can cause people to faint or pass out from lack of oxygen to the brain. It can also cause lung problems like cancer bronchitis and other problems of greater importance. Carbon monoxide is a ozone depleting formula.
