How much air is dissolved in one 1000 mL of water at temperatures 20 deg centigrade and 37 deg centigrade?

Today at work (hospital) we were curious about this. I wonder if any of you physics buffs can give us a rough answer. I know that the cooler one liter of water holds more dissolved air than the 37 deg liter of water ....but how much more ? All at normal atmospheric pressure. thank you.