Hourly Weather | Today › Thursday, October 8, 2026
Thornton, Colorado
5 PM
Cloudy Weather
82°
Feels Like 82°
22
Humidity: 17%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
81°
Feels Like 79°
17
Humidity: 19%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Night
77°
Feels Like 73°
12
Humidity: 23%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 26%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
72°
Feels Like 68°
0
Humidity: 30%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 34%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 38%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 1.87 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.6 µg/m³
  • PM10: 1.82 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 1.86 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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