Hourly Weather | Today Thursday, February 5, 2026
Fort Collins, Colorado
8 PM
Night
52°
Feels Like 48°
0
Humidity: 35%
UV Index: 0
Wind: 6 mph
9 PM
Night
46°
Feels Like 45°
0
Humidity: 41%
UV Index: 0
Wind: 6 mph
10 PM
Night
43°
Feels Like 41°
0
Humidity: 48%
UV Index: 0
Wind: 6 mph
11 PM
Night
39°
Feels Like 37°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 5.73 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.5 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
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.89 µg/m³
  • PM10: 5.82 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.06 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 5.99 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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