Hourly Weather | Today Monday, January 19, 2026
Greeley, Colorado
9 PM
Cloudy Night
23°
Feels Like 21°
0
Humidity: 68%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
19°
Feels Like 16°
0
Humidity: 71%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
18°
Feels Like 12°
0
Humidity: 72%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 5.98 µg/m³
  • O3: 0.031 ppm
  • NO2: 8.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 5.21 µg/m³
  • O3: 0.032 ppm
  • NO2: 7 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 4.33 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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