Today | Weather | Thursday, October 30, 2025

Weather in Greeley, Colorado

12:27 PM

Now

50° F

Feels Like 55°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 3

Humidity 35 %

Today

Day 57°

Night 27°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 3

Greeley Weather Forecast Updated

48 minutes ago

Last updated on October 30, 2025 11:38 AM

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Day

45°

Night

25°

Wind

4 mph

Precipitation

Air Quality in Greeley

NOW

28 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 3.6 µg/m³

PM₁₀ 4.58 µg/m³

O₃ 0.031 ppm

NO₂ 3.9 ppb

SO₂ 0.6 ppb

CO 0.12 ppm

NH₃ 0.69 µg/m³

NO 4.77 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 – 3.6 µg/m³

PM₁₀ – 4.58 µg/m³

O₃ – 60.33 µg/m³

NO₂ – 7.4 µg/m³

SO₂ – 1.55 µg/m³

CO – 138.13 µg/m³

NH₃ – 0.69 µg/m³

NO – 4.77 µg/m³

View Hourly Air Quality Forecast