Air pollution

Dust haze (calima)

Dust haze

Dust or sand suspended in the air, often from the Sahara, which clouds the sky, cuts visibility and worsens air quality.

Related terms

Visibility The greatest distance at which objects can be made out. It drops with fog, heavy… Air quality index (AQI) A scale summarising how polluted the air is from particles and gases (PM2.5, PM1…

More terms in the Air pollution category

Air quality index (AQI)
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