Hourly Weather | Today Wednesday, September 24, 2025
Thornton, Colorado
6 PM
Sunny Weather
64°
Feels Like 66°
0
Humidity: 42%
Wind: 5 mph
UV Index: 9
7 PM
Night
63°
Feels Like 61°
0
Humidity: 48%
Wind: 5 mph
UV Index: 0
8 PM
Night
59°
Feels Like 57°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0
9 PM
Night
55°
Feels Like 55°
0
Humidity: 67%
Wind: 6 mph
UV Index: 0
10 PM
Night
54°
Feels Like 52°
0
Humidity: 75%
Wind: 5 mph
UV Index: 0
11 PM
Night
52°
Feels Like 52°
0
Humidity: 78%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.98 µg/m³
  • PM10: 13.13 µg/m³
  • O₃: 47.49 ppb
  • NO₂: 7.92 ppb
  • SO₂: 0.97 ppb
  • CO: 186.09 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
45 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.86 µg/m³
  • PM10: 13.91 µg/m³
  • O₃: 40.53 ppb
  • NO₂: 13.03 ppb
  • SO₂: 1.02 ppb
  • CO: 230.09 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
47 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.15 µg/m³
  • PM10: 16.52 µg/m³
  • O₃: 32.39 ppb
  • NO₂: 18.94 ppb
  • SO₂: 1.11 ppb
  • CO: 280.91 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 PM
50 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.16 µg/m³
  • PM10: 16.00 µg/m³
  • O₃: 23.19 ppb
  • NO₂: 26.01 ppb
  • SO₂: 1.09 ppb
  • CO: 341.60 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.48 µg/m³
  • PM10: 17.18 µg/m³
  • O₃: 18.23 ppb
  • NO₂: 26.70 ppb
  • SO₂: 0.99 ppb
  • CO: 355.72 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.38 µg/m³
  • PM10: 16.88 µg/m³
  • O₃: 13.27 ppb
  • NO₂: 27.39 ppb
  • SO₂: 0.88 ppb
  • CO: 369.84 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.