If you mean air in general, both warm and cold have the same amount of oxygen. Warm air has less density of molecules. Thus, when you breathe in cool/cold weather, you are getting more oxygen into your lungs.Click to see full answer. Beside this, does cold air have more oxygen than warm air?Cooler air is more dense than warmer air. Warm air can actually hold more moisture because molecules are farther apart, making more room for moisture. Cold air is dense and compact; it’s “thicker,” so when you breathe in you get more oxygen. They get more oxygen and it’s easier to cool their bodies.Additionally, is there less oxygen in the air during winter? A single 500 milliliter breath of cold air at 0 degrees C will contain more molecules of oxygen than the same volume of air at 40 degrees C. So, to simply answer your question; given the same pressure, cold winter air will have more oxygen than hot summer air per volume. Also Know, does temperature affect oxygen levels in air? Yes the warmer air will have a lower density, but the composition will be unaltered. So the relative amount of oxygen in the air remains the same. Warm air has an overall lower density (which is why hot air balloons work) and the volume density of all the components will decrease.Is cold air cleaner than hot air?When the weather is cold, the air feels dry because of the lack of water vapor! We also think cold air is crisp because it’s actually cleaner than warm air. When temperatures chill, layers of the atmosphere are more likely to mix. This reduces pollution, making the air cleaner and easier to breathe.