Hourly Weather | Today Sunday, April 26, 2026
Greeley, Colorado
10 AM
Cloudy Weather
43°
Feels Like 37°
6
Humidity: 67%
UV Index: 1
Wind: 9 mph
11 AM
Cloudy Weather
46°
Feels Like 45°
5
Humidity: 60%
UV Index: 2
Wind: 9 mph
12 PM
Cloudy Weather
52°
Feels Like 50°
5
Humidity: 54%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
54°
Feels Like 52°
8
Humidity: 52%
UV Index: 2
Wind: 8 mph
2 PM
Rainy Weather
52°
Feels Like 46°
67
Humidity: 59%
UV Index: 2
Wind: 9 mph
3 PM
Cloudy Weather
55°
Feels Like 54°
49
Humidity: 53%
UV Index: 2
Wind: 10 mph
4 PM
Rainy Weather
54°
Feels Like 48°
67
Humidity: 61%
UV Index: 1
Wind: 10 mph
5 PM
Cloudy Weather
54°
Feels Like 50°
32
Humidity: 61%
UV Index: 1
Wind: 9 mph
6 PM
Cloudy Weather
54°
Feels Like 48°
26
Humidity: 64%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
52°
Feels Like 48°
24
Humidity: 64%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
48°
Feels Like 45°
20
Humidity: 70%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
46°
Feels Like 43°
20
Humidity: 73%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
45°
Feels Like 43°
20
Humidity: 74%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
43°
Feels Like 43°
20
Humidity: 77%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 1.3 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.76 µg/m³
  • PM10: 1.12 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

12 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.75 µg/m³
  • PM10: 1.04 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.72 µg/m³
  • PM10: 0.94 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.76 µg/m³
  • PM10: 0.89 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.68 µg/m³
  • PM10: 0.74 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.56 µg/m³
  • PM10: 0.6 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.53 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 0.56 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.56 µg/m³
  • PM10: 0.63 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 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: 0.57 µg/m³
  • PM10: 0.66 µg/m³
  • O3: 0.038 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.59 µg/m³
  • PM10: 0.72 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 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: 0.62 µg/m³
  • PM10: 0.77 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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