Hourly Weather | Today Tuesday, January 13, 2026
Denver, Colorado
4 PM
Cloudy Weather
59°
Feels Like 55°
0
Humidity: 25%
Wind: 9 mph
UV Index: 0
5 PM
Cloudy Weather
55°
Feels Like 52°
0
Humidity: 28%
Wind: 9 mph
UV Index: 0
6 PM
Cloudy Weather
52°
Feels Like 48°
0
Humidity: 32%
Wind: 9 mph
UV Index: 0
7 PM
Cloudy Weather
48°
Feels Like 39°
0
Humidity: 36%
Wind: 16 mph
UV Index: 0
8 PM
Cloudy Weather
46°
Feels Like 36°
0
Humidity: 42%
Wind: 16 mph
UV Index: 0
9 PM
Cloudy Night
43°
Feels Like 32°
0
Humidity: 48%
Wind: 16 mph
UV Index: 0
10 PM
Cloudy Night
41°
Feels Like 28°
0
Humidity: 53%
Wind: 16 mph
UV Index: 0
11 PM
Cloudy Weather
39°
Feels Like 28°
0
Humidity: 56%
Wind: 16 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 0.84 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.9 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.02 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 1.29 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 1.57 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 1.82 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.9 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.05 µg/m³
  • PM10: 2.19 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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