Hourly Weather | Today Tuesday, April 7, 2026
Caldwell, Idaho
10 AM
Cloudy Weather
52°
Feels Like 55°
0
Humidity: 68%
UV Index: 3
Wind: 7 mph
11 AM
Cloudy Weather
59°
Feels Like 63°
0
Humidity: 51%
UV Index: 5
Wind: 9 mph
12 PM
Cloudy Weather
64°
Feels Like 70°
0
Humidity: 38%
UV Index: 5
Wind: 10 mph
1 PM
Cloudy Weather
72°
Feels Like 75°
0
Humidity: 28%
UV Index: 6
Wind: 10 mph
2 PM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 23%
UV Index: 5
Wind: 9 mph
3 PM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 20%
UV Index: 5
Wind: 9 mph
4 PM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 19%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
79°
Feels Like 77°
0
Humidity: 18%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 19%
UV Index: 1
Wind: 10 mph
7 PM
Cloudy Weather
75°
Feels Like 72°
0
Humidity: 20%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Weather
72°
Feels Like 68°
0
Humidity: 25%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 30%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
63°
Feels Like 59°
0
Humidity: 36%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
59°
Feels Like 55°
0
Humidity: 41%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.49 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 3.01 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.18 µg/m³
  • PM10: 2.8 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.81 µg/m³
  • PM10: 1.55 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.54 µg/m³
  • PM10: 0.86 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.59 µg/m³
  • O3: 0.049 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.

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.049 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.

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.049 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.

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.54 µg/m³
  • O3: 0.049 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
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.53 µg/m³
  • PM10: 0.79 µg/m³
  • O3: 0.048 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: 1.2 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 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: 0.92 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.74 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.2 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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