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seasonal variability

Posted inNews

High Smog Levels Seen in Mecca During the Annual Pilgrimage

by J. Urton 18 December 201424 November 2025

Surveys of air quality show that smog and other pollutants in Islam’s holiest city during the Hajj are among the worst in the world, prompting the Saudi government to look for ways to clear the air.

Posted inNews

NOAA's Winter Outlook Favors Weak El Niño, Lower-Than-Average Precipitation

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 28 October 201416 February 2023

The National Atmospheric and Oceanic Association announces the upcoming weather projection for winter 2014-2015.

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