Hourly Weather | Today Monday, September 21, 2026
Juneau, Alaska
11 AM
Cloudy Weather
52°
Feels Like 50°
49
Humidity: 77%
UV Index: 1
Wind: 8 mph
12 PM
Rainy Weather
54°
Feels Like 48°
70
Humidity: 76%
UV Index: 1
Wind: 8 mph
1 PM
Cloudy Weather
54°
Feels Like 52°
49
Humidity: 75%
UV Index: 1
Wind: 8 mph
2 PM
Rainy Weather
52°
Feels Like 46°
59
Humidity: 76%
UV Index: 1
Wind: 8 mph
3 PM
Rainy Weather
52°
Feels Like 46°
64
Humidity: 78%
UV Index: 1
Wind: 8 mph
4 PM
Cloudy Weather
52°
Feels Like 48°
49
Humidity: 81%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
50°
Feels Like 48°
49
Humidity: 81%
UV Index: 0
Wind: 8 mph
6 PM
Rainy Weather
50°
Feels Like 43°
55
Humidity: 83%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Weather
50°
Feels Like 46°
49
Humidity: 82%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
50°
Feels Like 46°
49
Humidity: 85%
UV Index: 0
Wind: 7 mph
9 PM
Rainy Weather
48°
Feels Like 43°
61
Humidity: 88%
UV Index: 0
Wind: 7 mph
10 PM
Rainy Weather
48°
Feels Like 43°
61
Humidity: 89%
UV Index: 0
Wind: 7 mph
11 PM
Rainy Weather
48°
Feels Like 43°
66
Humidity: 89%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.92 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.86 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.8 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.78 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.77 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.76 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.77 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 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: 0.5 µg/m³
  • PM10: 0.82 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 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: 0.5 µg/m³
  • PM10: 0.88 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 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: 0.5 µg/m³
  • PM10: 0.94 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.3 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
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.02 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.14 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 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: 0.5 µg/m³
  • PM10: 1.27 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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