Today | Weather | Tuesday, November 4, 2025

Weather in Salt Lake City, Utah

03:17 AM

Now

54° F

Feels Like 48°

Precipitation 0 %

Wind 10 mph

Humidity 34 %

Today

Day 70°

Night 52°

Precipitation 0 %

Wind 9 mph

UV Index (0 - 11+) 3

Salt Lake City Weather Forecast Updated

Last updated on November 04, 2025 1:43 AM

Weather Forecast History

Last Year's Weather on This Day (November 4, 2024)

Day

48°

Night

37°

Wind

11 mph

Precipitation

Air Quality in Salt Lake City

NOW

38 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 5.22 µg/m³

PM₁₀ 12.67 µg/m³

O₃ 0.041 ppm

NO₂ 0.7 ppb

SO₂ 0.1 ppb

CO 0.08 ppm

NH₃ 0.22 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 5.22 µg/m³

PM₁₀ – 12.67 µg/m³

O₃ – 81.35 µg/m³

NO₂ – 1.33 µg/m³

SO₂ – 0.24 µg/m³

CO – 86.87 µg/m³

NH₃ – 0.22 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast