Today | Weather | Saturday, October 24, 2026

Weather in Greeley, Colorado

05:30 PM
Now
Cloudy Weather
55° F
Feels Like 48°
Precipitation 17 %
Wind 16 mph
UV Index (0 - 11+) 0
Humidity 40 %
Today
Partly Sunny with Showers
Day 57°
Night 37°
Precipitation 49 %
Wind 14 mph
UV Index (0 - 11+) 4

Greeley Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 24, 2025)
Night

Day

68°

Night

30°

Wind

4 mph

Precipitation

1 %

Air Quality in Greeley

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.48 µg/m³
PM10 2.03 µg/m³
O3 0.039 ppm
NO2 1.2 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0.33 µg/m³
NO 0.07 µg/m³
PM2.5 – 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)
PM2.5 – 1.48 µg/m³
PM10 – 2.03 µg/m³
O3 – 77.35 µg/m³
NO2 – 2.26 µg/m³
SO2 – 0.59 µg/m³
CO – 107.47 µg/m³
NH3 – 0.33 µg/m³
NO – 0.07 µg/m³