Hourly Weather Forecast for Spokane Valley, Washington

Hourly Weather | Today › Wednesday, August 12, 2026

Active Weather Warnings

Air Quality Alert

Spokane Valley, Washington

5 AM

55°

Feels Like 55°

Humidity: 59%

UV Index: 0

Wind: 6 mph

6 AM

57°

Feels Like 57°

Humidity: 64%

UV Index: 0

Wind: 6 mph

7 AM

63°

Feels Like 63°

Humidity: 62%

UV Index: 1

Wind: 6 mph

8 AM

64°

Feels Like 66°

Humidity: 56%

UV Index: 2

Wind: 6 mph

9 AM

70°

Feels Like 72°

Humidity: 51%

UV Index: 3

Wind: 7 mph

10 AM

73°

Feels Like 77°

Humidity: 44%

UV Index: 4

Wind: 7 mph

11 AM

77°

Feels Like 82°

Humidity: 39%

UV Index: 5

Wind: 7 mph

12 PM

81°

Feels Like 88°

Humidity: 34%

UV Index: 6

Wind: 7 mph

1 PM

84°

Feels Like 90°

Humidity: 30%

UV Index: 7

Wind: 7 mph

2 PM

86°

Feels Like 91°

Humidity: 27%

UV Index: 6

Wind: 7 mph

3 PM

88°

Feels Like 91°

Humidity: 26%

UV Index: 5

Wind: 6 mph

4 PM

88°

Feels Like 91°

Humidity: 24%

UV Index: 4

Wind: 6 mph

5 PM

88°

Feels Like 88°

Humidity: 25%

UV Index: 3

Wind: 6 mph

6 PM

86°

Feels Like 84°

Humidity: 26%

UV Index: 2

Wind: 6 mph

7 PM

82°

Feels Like 82°

Humidity: 29%

UV Index: 1

Wind: 7 mph

8 PM

81°

Feels Like 77°

Humidity: 35%

UV Index: 0

Wind: 7 mph

9 PM

75°

Feels Like 73°

Humidity: 43%

UV Index: 0

Wind: 7 mph

10 PM

72°

Feels Like 70°

Humidity: 51%

UV Index: 0

Wind: 6 mph

11 PM

70°

Feels Like 66°

Humidity: 58%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM

115 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 41.32 µg/m³
PM₁₀: 42.31 µg/m³
O₃: 0.031 ppm
NO₂: 2.1 ppb
SO₂: 0.2 ppb
CO: 0.15 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

6 AM

109 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 38.95 µg/m³
PM₁₀: 40.02 µg/m³
O₃: 0.030 ppm
NO₂: 1.9 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

7 AM

99 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 35.03 µg/m³
PM₁₀: 36.17 µg/m³
O₃: 0.029 ppm
NO₂: 1.9 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

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

8 AM

91 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 31.31 µg/m³
PM₁₀: 32.5 µg/m³
O₃: 0.028 ppm
NO₂: 1.9 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

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

9 AM

88 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 29.66 µg/m³
PM₁₀: 30.91 µg/m³
O₃: 0.030 ppm
NO₂: 1.5 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

10 AM

85 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 28.33 µg/m³
PM₁₀: 29.59 µg/m³
O₃: 0.033 ppm
NO₂: 1.2 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

11 AM

83 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 27.65 µg/m³
PM₁₀: 28.93 µg/m³
O₃: 0.037 ppm
NO₂: 0.9 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

12 PM

97 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 33.87 µg/m³
PM₁₀: 35.07 µg/m³
O₃: 0.044 ppm
NO₂: 0.6 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

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

1 PM

111 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 39.65 µg/m³
PM₁₀: 40.71 µg/m³
O₃: 0.050 ppm
NO₂: 0.5 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

2 PM

118 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 42.64 µg/m³
PM₁₀: 43.64 µg/m³
O₃: 0.054 ppm
NO₂: 0.5 ppb
SO₂: 0.2 ppb
CO: 0.15 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

3 PM

124 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 44.89 µg/m³
PM₁₀: 45.7 µg/m³
O₃: 0.055 ppm
NO₂: 0.5 ppb
SO₂: 0.1 ppb
CO: 0.15 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

4 PM

112 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 40.02 µg/m³
PM₁₀: 40.63 µg/m³
O₃: 0.053 ppm
NO₂: 0.5 ppb
SO₂: 0.1 ppb
CO: 0.15 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

5 PM

98 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 34.67 µg/m³
PM₁₀: 35.21 µg/m³
O₃: 0.052 ppm
NO₂: 0.5 ppb
SO₂: 0.1 ppb
CO: 0.14 ppm

Health Recommendations:

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

6 PM

93 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 32.15 µg/m³
PM₁₀: 32.68 µg/m³
O₃: 0.051 ppm
NO₂: 0.9 ppb
SO₂: 0.1 ppb
CO: 0.14 ppm

Health Recommendations:

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

7 PM

91 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 31.1 µg/m³
PM₁₀: 31.67 µg/m³
O₃: 0.047 ppm
NO₂: 1.6 ppb
SO₂: 0.1 ppb
CO: 0.14 ppm

Health Recommendations:

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

8 PM

89 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 30.36 µg/m³
PM₁₀: 30.97 µg/m³
O₃: 0.044 ppm
NO₂: 2.2 ppb
SO₂: 0.1 ppb
CO: 0.14 ppm

Health Recommendations:

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

9 PM

88 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 29.84 µg/m³
PM₁₀: 30.49 µg/m³
O₃: 0.041 ppm
NO₂: 2.6 ppb
SO₂: 0.1 ppb
CO: 0.15 ppm

Health Recommendations:

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

10 PM

87 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 29.35 µg/m³
PM₁₀: 30.02 µg/m³
O₃: 0.038 ppm
NO₂: 2.9 ppb
SO₂: 0.1 ppb
CO: 0.15 ppm

Health Recommendations:

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

11 PM

85 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 28.56 µg/m³
PM₁₀: 29.25 µg/m³
O₃: 0.036 ppm
NO₂: 3 ppb
SO₂: 0.1 ppb
CO: 0.15 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Spokane Valley

Air Quality Alert

Air Quality Alert issued August 11 at 11:25AM PDT by NWS Spokane WA

Aug 11, 11:25 AM → Aug 12, 4:00 PM

An Air Quality Alert has been issued by the following agencies:

Washington Department of Ecology
Colville Confederated Tribes
Environmental Protection Agency
Spokane Regional Clean Air Agency

An Air Quality Alert has been issued for Adams, Asotin, Chelan,
Douglas, Ferry, Garfield, Grant, Lincoln, Okanogan, Pend Oreille,
Spokane, Stevens, and Whitman Counties until further notice due to
current and expected smoke from regional fires. Particulate matter
(PM2.5) may reach Very Unhealthy levels for areas directly downwind
from active wildfires. Other areas may reach Unhealthy for Sensitive
Groups or worse. Intermittent clearing may occur due to windy
conditions, but smoke production continues to be significant.

When air quality is Unhealthy, everyone should reduce exposure.
Limit time outside, avoid strenuous outdoor activity, and follow tips
for cleaner indoor air. When air quality is Very Unhealthy, everyone
should reduce exposure. Stay inside and filter indoor air to keep it
cleaner. Go elsewhere for cleaner air, if needed.

Updated: Aug 12, 4:21 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Spokane Valley

Air Quality Alert

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