My boiler had a leak and i'm not sure if i have mild carbon monoxide poisoning, how will i know and what should i do?

Carbon Monooxide: A carbon monoxide blood test is used to detect carbon monoxide poisoning. Poisoning can happen if you breathe air that contains too much carbon monoxide (CO). This gas has no color, odor, or taste, so you can't tell when you are breathing it. The test measures the amount of hemoglobin in your blood that has bonded with carbon monoxide.