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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today | Monday, August 18, 2025
Thornton, Colorado
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 88°
37
Humidity: 26%
Wind: 10 mph
UV Index: 44
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 84°
14
Humidity: 26%
Wind: 10 mph
UV Index: 29
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 82°
14
Humidity: 29%
Wind: 9 mph
UV Index: 18
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 79°
9
Humidity: 32%
Wind: 8 mph
UV Index: 7
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
79°
Feels Like 75°
0
Humidity: 40%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
73°
Feels Like 72°
0
Humidity: 46%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 66°
0
Humidity: 54%
Wind: 7 mph
UV Index: 0
11 PM
NightNighttime, with dark skies and stars or a moon visible.
66°
Feels Like 63°
0
Humidity: 63%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.02 µg/m³
  • PM10: 18.05 µg/m³
  • O₃: 64.51 ppb
  • NO₂: 5.59 ppb
  • SO₂: 0.37 ppb
  • CO: 136.25 ppb

Health Recommendations:

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

5 PM
53 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.90 µg/m³
  • PM10: 15.58 µg/m³
  • O₃: 65.16 ppb
  • NO₂: 4.63 ppb
  • SO₂: 0.38 ppb
  • CO: 128.64 ppb

Health Recommendations:

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

6 PM
66 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.41 µg/m³
  • PM10: 13.46 µg/m³
  • O₃: 65.25 ppb
  • NO₂: 4.13 ppb
  • SO₂: 0.38 ppb
  • CO: 124.56 ppb

Health Recommendations:

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

7 PM
71 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.41 µg/m³
  • PM10: 12.29 µg/m³
  • O₃: 60.07 ppb
  • NO₂: 5.15 ppb
  • SO₂: 0.44 ppb
  • CO: 132.85 ppb

Health Recommendations:

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

8 PM
71 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.51 µg/m³
  • PM10: 6.42 µg/m³
  • O₃: 54.38 ppb
  • NO₂: 5.02 ppb
  • SO₂: 0.54 ppb
  • CO: 132.46 ppb

Health Recommendations:

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

9 PM
67 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.91 µg/m³
  • PM10: 6.73 µg/m³
  • O₃: 47.64 ppb
  • NO₂: 6.75 ppb
  • SO₂: 0.61 ppb
  • CO: 146.40 ppb

Health Recommendations:

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

10 PM
59 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.58 µg/m³
  • PM10: 7.39 µg/m³
  • O₃: 40.68 ppb
  • NO₂: 9.19 ppb
  • SO₂: 0.64 ppb
  • CO: 165.82 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
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.46 µg/m³
  • PM10: 8.20 µg/m³
  • O₃: 33.72 ppb
  • NO₂: 11.64 ppb
  • SO₂: 0.67 ppb
  • CO: 185.24 ppb

Health Recommendations:

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

Current Real-Time Air Quality Report