How do we measure air quality?
the amount of in rain
the amount of ground level
the amount of matter.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean