Air Quality and Pollution
The valleys of the Wasatch Front of northern Utah experience their greatest concentrations of nitrogen oxides, carbon monoxide and particulates from November through February. Ozone reaches …
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Utah, through
weather.
A place to understand our skies, explore our past, and make sense of a changing climate.
Explore our climate →Southern Utah, storm to sun AI-generated illustration
FOLLOW YOUR CURIOSITY
September15ON THIS DAY
FROM THE UTAH WEATHER ALMANAC · 1847–2006
There’s history in the forecast.
In 1984, strong winds at Lake Powell sunk several boats. In 1985, one inch diameter hail and one inch of rain in 15 minutes hit east Carbon. At one point, lightning detection equipment indicated that 700 strikes occurred in a 30 minute period.
Read this day in weather history →From the existing UCCW historical collection.
A PLACE TO START
The science behind our skies.
Allergies
Pollen Forecast for your area (via The Weather Channel) Pollen Count (via the Intermountain Allergy and Asthma Clinic)
Explore the articleAnnual Normal Precipitation
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PHOTO OF THE DAY · September 15
Lightning over Lehi
Lightning hits Lehi, Utah, on June 9, 2006, 10:15 PM Photograph by Trevor Hansen; courtesy of ABC4-KTVX Television
Trevor Hansen
Explore the photo collection →From the historical collection; the feature date is not the date the photograph was taken.FIND YOUR WAY INTO THE COLLECTION
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A changing climate. A growing conversation.
Our understanding grows through observation, evidence, and the people who ask good questions. UCCW brings local expertise together for everyone.
Built on local knowledge. Open to discovery.
A shared resource for students, educators, scientists, and everyone curious about Utah.
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