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What is Aeroallergens?

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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Glossary

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...