Hourly Weather | Today Friday, June 5, 2026
Greeley, Colorado
1 PM
Cloudy Weather
86°
Feels Like 93°
0
Humidity: 25%
UV Index: 11
Wind: 7 mph
2 PM
Cloudy Weather
88°
Feels Like 95°
0
Humidity: 20%
UV Index: 10
Wind: 7 mph
3 PM
Cloudy Weather
90°
Feels Like 95°
0
Humidity: 19%
UV Index: 8
Wind: 8 mph
4 PM
Cloudy Weather
91°
Feels Like 93°
0
Humidity: 17%
UV Index: 5
Wind: 9 mph
5 PM
Cloudy Weather
91°
Feels Like 93°
0
Humidity: 16%
UV Index: 4
Wind: 9 mph
6 PM
Cloudy Weather
90°
Feels Like 90°
0
Humidity: 17%
UV Index: 2
Wind: 10 mph
7 PM
Cloudy Weather
86°
Feels Like 84°
0
Humidity: 21%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 26%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 32%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 39%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 48%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.1 µg/m³
  • PM10: 4.35 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

2 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.89 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.048 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 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: 2.54 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 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: 2.37 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 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: 2.2 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 2.86 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.19 µg/m³
  • PM10: 2.93 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.19 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 3.07 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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