Hourly Weather | Today Wednesday, December 24, 2025
Thornton, Colorado
12 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 18%
Wind: 6 mph
UV Index: 3
1 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 18%
Wind: 6 mph
UV Index: 2
2 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 17%
Wind: 7 mph
UV Index: 2
3 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 19%
Wind: 6 mph
UV Index: 1
4 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 21%
Wind: 6 mph
UV Index: 1
5 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 24%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 28%
Wind: 6 mph
UV Index: 0
7 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 31%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
54°
Feels Like 50°
0
Humidity: 36%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 41%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 47%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 52%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 2.45 µg/m³
  • O3: 0.037 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.

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 2.5 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 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
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.44 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 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
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 2.47 µg/m³
  • O3: 0.034 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.

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

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 2.58 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 2.71 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.31 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.027 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.41 µg/m³
  • PM10: 2.87 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.52 µg/m³
  • PM10: 2.99 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.5 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.57 µg/m³
  • PM10: 3.04 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.62 µg/m³
  • PM10: 3.1 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 3.16 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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