Hourly Weather | Today Thursday, February 26, 2026
Idaho Falls, Idaho
3 AM
Cloudy Night
32°
Feels Like 18°
0
Humidity: 92%
UV Index: 0
Wind: 15 mph
4 AM
Cloudy Night
30°
Feels Like 18°
0
Frost Risk: 55%
Humidity: 89%
UV Index: 0
Wind: 15 mph
5 AM
Cloudy Night
28°
Feels Like 14°
0
Frost Risk: 93%
Humidity: 96%
UV Index: 0
Wind: 15 mph
6 AM
Cloudy Night
30°
Feels Like 16°
0
Humidity: 89%
UV Index: 0
Wind: 15 mph
7 AM
Cloudy Night
30°
Feels Like 19°
0
Frost Risk: 57%
Humidity: 88%
UV Index: 0
Wind: 12 mph
8 AM
Cloudy Weather
30°
Feels Like 21°
0
Frost Risk: 57%
Humidity: 84%
UV Index: 1
Wind: 13 mph
9 AM
Cloudy Weather
32°
Feels Like 21°
0
Humidity: 82%
UV Index: 2
Wind: 14 mph
10 AM
Cloudy Weather
34°
Feels Like 25°
0
Humidity: 76%
UV Index: 3
Wind: 15 mph
11 AM
Cloudy Weather
36°
Feels Like 27°
0
Humidity: 68%
UV Index: 4
Wind: 16 mph
12 PM
Cloudy Weather
37°
Feels Like 28°
0
Humidity: 64%
UV Index: 4
Wind: 17 mph
1 PM
Cloudy Weather
39°
Feels Like 32°
0
Humidity: 58%
UV Index: 4
Wind: 17 mph
2 PM
Cloudy Weather
43°
Feels Like 34°
0
Humidity: 54%
UV Index: 3
Wind: 17 mph
3 PM
Cloudy Weather
45°
Feels Like 36°
0
Humidity: 48%
UV Index: 2
Wind: 16 mph
4 PM
Cloudy Weather
46°
Feels Like 39°
0
Humidity: 42%
UV Index: 1
Wind: 16 mph
5 PM
Cloudy Weather
45°
Feels Like 36°
0
Humidity: 44%
UV Index: 0
Wind: 14 mph
6 PM
Cloudy Weather
41°
Feels Like 32°
0
Humidity: 49%
UV Index: 0
Wind: 13 mph
7 PM
Cloudy Night
39°
Feels Like 30°
0
Humidity: 51%
UV Index: 0
Wind: 12 mph
8 PM
Cloudy Night
37°
Feels Like 28°
0
Humidity: 56%
UV Index: 0
Wind: 10 mph
9 PM
Night
36°
Feels Like 27°
0
Humidity: 60%
UV Index: 0
Wind: 10 mph
10 PM
Night
36°
Feels Like 27°
0
Humidity: 62%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Night
36°
Feels Like 27°
0
Humidity: 67%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.59 µg/m³
  • PM10: 1.62 µg/m³
  • O3: 0.027 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.57 µg/m³
  • PM10: 1.59 µg/m³
  • O3: 0.027 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.57 µg/m³
  • PM10: 1.6 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

6 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 1.63 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.63 µg/m³
  • PM10: 1.74 µg/m³
  • O3: 0.029 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.69 µg/m³
  • PM10: 1.87 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.68 µg/m³
  • PM10: 1.94 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.65 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.68 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.57 µg/m³
  • PM10: 1.49 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.2 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
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.61 µg/m³
  • PM10: 1.3 µg/m³
  • O3: 0.049 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
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.67 µg/m³
  • PM10: 1.29 µg/m³
  • O3: 0.051 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
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.74 µg/m³
  • PM10: 1.39 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

4 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.79 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 1.66 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 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: 1 µg/m³
  • PM10: 2.23 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 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: 1.12 µg/m³
  • PM10: 2.5 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.12 µg/m³
  • PM10: 2.52 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 2.41 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 2.31 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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