Dark blue cloudy sky

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

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

The branch of science dealing with the laws of motion of air or other gases.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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