Hourly Weather | Today Wednesday, May 20, 2026
Boise, Idaho
6 PM
Cloudy Weather
73°
Feels Like 73°
0
Humidity: 21%
UV Index: 2
Wind: 12 mph
7 PM
Cloudy Weather
73°
Feels Like 72°
0
Humidity: 23%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Weather
72°
Feels Like 68°
0
Humidity: 26%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
68°
Feels Like 66°
0
Humidity: 30%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 35%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 39%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.65 µg/m³
  • PM10: 1.49 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.69 µg/m³
  • PM10: 1.57 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.73 µg/m³
  • PM10: 1.64 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 1.71 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.79 µg/m³
  • PM10: 1.73 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 1.66 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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