Hourly Weather | Today Tuesday, September 1, 2026
Spokane, Washington
9 AM
Cloudy Weather
55°
Feels Like 61°
0
Humidity: 67%
UV Index: 2
Wind: 4 mph
10 AM
Cloudy Weather
61°
Feels Like 66°
0
Humidity: 57%
UV Index: 3
Wind: 4 mph
11 AM
Cloudy Weather
64°
Feels Like 70°
0
Humidity: 46%
UV Index: 3
Wind: 4 mph
12 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 36%
UV Index: 3
Wind: 7 mph
1 PM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 27%
UV Index: 3
Wind: 9 mph
2 PM
Cloudy Weather
82°
Feels Like 82°
9
Humidity: 21%
UV Index: 3
Wind: 10 mph
3 PM
Cloudy Weather
84°
Feels Like 84°
9
Humidity: 20%
UV Index: 3
Wind: 9 mph
4 PM
Cloudy Weather
82°
Feels Like 82°
13
Humidity: 23%
UV Index: 2
Wind: 8 mph
5 PM
Partly Sunny with Showers
77°
Feels Like 75°
51
Humidity: 30%
UV Index: 1
Wind: 6 mph
6 PM
Cloudy Weather
73°
Feels Like 72°
47
Humidity: 36%
UV Index: 1
Wind: 5 mph
7 PM
Cloudy Weather
70°
Feels Like 68°
31
Humidity: 43%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
66°
Feels Like 64°
5
Humidity: 51%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Weather
64°
Feels Like 64°
5
Humidity: 57%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Weather
61°
Feels Like 63°
5
Humidity: 64%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
59°
Feels Like 61°
5
Humidity: 70%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 5.08 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 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: 4.28 µg/m³
  • PM10: 5.23 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 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: 4.29 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.15 µg/m³
  • PM10: 5.99 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.28 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.48 µg/m³
  • PM10: 7.77 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.16 µg/m³
  • PM10: 8.37 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.76 µg/m³
  • PM10: 8.86 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 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: 7.2 µg/m³
  • PM10: 9.14 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.51 µg/m³
  • PM10: 9.31 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.89 µg/m³
  • PM10: 9.57 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.25 µg/m³
  • PM10: 9.79 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.48 µg/m³
  • PM10: 9.87 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 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: 7.96 µg/m³
  • PM10: 9.19 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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