Hourly Weather | Today Thursday, June 25, 2026
Greeley, Colorado
3 PM
Stormy Weather
70°
Feels Like 70°
55
Humidity: 67%
UV Index: 3
Wind: 9 mph
4 PM
Cloudy Weather
72°
Feels Like 72°
42
Humidity: 64%
UV Index: 3
Wind: 9 mph
5 PM
Sunny with a Chance of Thunderstorms
72°
Feels Like 66°
51
Humidity: 71%
UV Index: 1
Wind: 10 mph
6 PM
Cloudy Weather
73°
Feels Like 72°
47
Humidity: 66%
UV Index: 2
Wind: 10 mph
7 PM
Cloudy Weather
70°
Feels Like 70°
34
Humidity: 68%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Weather
66°
Feels Like 64°
14
Humidity: 75%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
64°
Feels Like 61°
14
Humidity: 82%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
63°
Feels Like 59°
14
Humidity: 83%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
61°
Feels Like 57°
14
Humidity: 85%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.5 µg/m³
  • PM10: 5.61 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 5.07 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

5 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 4.98 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

6 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.99 µg/m³
  • PM10: 5.14 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.16 µg/m³
  • PM10: 5.34 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.34 µg/m³
  • PM10: 5.57 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.57 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.61 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.83 µg/m³
  • PM10: 6.21 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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