Hourly Weather | Today Thursday, June 25, 2026
Denver, Colorado
12 PM
Rainy Weather
70°
Feels Like 70°
51
Humidity: 66%
UV Index: 4
Wind: 9 mph
1 PM
Cloudy Weather
72°
Feels Like 79°
46
Humidity: 59%
UV Index: 11
Wind: 9 mph
2 PM
Cloudy Weather
73°
Feels Like 81°
47
Humidity: 54%
UV Index: 11
Wind: 9 mph
3 PM
Sunny with a Chance of Thunderstorms
72°
Feels Like 73°
51
Humidity: 69%
UV Index: 8
Wind: 9 mph
4 PM
Cloudy Weather
73°
Feels Like 77°
47
Humidity: 60%
UV Index: 5
Wind: 9 mph
5 PM
Cloudy Weather
75°
Feels Like 79°
34
Humidity: 52%
UV Index: 4
Wind: 8 mph
6 PM
Cloudy Weather
73°
Feels Like 75°
34
Humidity: 51%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
73°
Feels Like 72°
29
Humidity: 53%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
72°
Feels Like 70°
20
Humidity: 56%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
70°
Feels Like 66°
20
Humidity: 60%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
68°
Feels Like 64°
20
Humidity: 65%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
66°
Feels Like 63°
20
Humidity: 70%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
124 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 45.03 µg/m³
  • PM10: 45.34 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.27 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

1 PM
109 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 38.96 µg/m³
  • PM10: 39.25 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

2 PM
87 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 29.38 µg/m³
  • PM10: 29.68 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.59 µg/m³
  • PM10: 21.91 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.03 µg/m³
  • PM10: 16.38 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12.43 µg/m³
  • PM10: 12.78 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.5 µg/m³
  • PM10: 10.84 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 10.38 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.4 µg/m³
  • PM10: 10.68 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.75 µg/m³
  • PM10: 11.04 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.8 µg/m³
  • PM10: 11.08 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

11 PM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.95 µg/m³
  • PM10: 11.22 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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