Hourly Weather | Today Tuesday, July 21, 2026
Active Weather Warnings
Spokane, Washington
1 AM
Cloudy Night
72°
Feels Like 70°
35
Humidity: 46%
UV Index: 0
Wind: 2 mph
2 AM
Cloudy Night
72°
Feels Like 70°
34
Humidity: 49%
UV Index: 0
Wind: 2 mph
3 AM
Cloudy Night
70°
Feels Like 68°
34
Humidity: 52%
UV Index: 0
Wind: 2 mph
4 AM
Cloudy Night
68°
Feels Like 66°
34
Humidity: 55%
UV Index: 0
Wind: 2 mph
5 AM
Cloudy Night
66°
Feels Like 64°
34
Humidity: 61%
UV Index: 0
Wind: 2 mph
6 AM
Cloudy Weather
68°
Feels Like 66°
34
Humidity: 56%
UV Index: 1
Wind: 2 mph
7 AM
Cloudy Weather
72°
Feels Like 72°
22
Humidity: 51%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 44%
UV Index: 2
Wind: 5 mph
9 AM
Cloudy Weather
79°
Feels Like 81°
0
Humidity: 39%
UV Index: 3
Wind: 5 mph
10 AM
Cloudy Weather
82°
Feels Like 86°
0
Humidity: 35%
UV Index: 5
Wind: 6 mph
11 AM
Cloudy Weather
84°
Feels Like 91°
0
Humidity: 31%
UV Index: 6
Wind: 6 mph
12 PM
Cloudy Weather
88°
Feels Like 95°
0
Humidity: 26%
UV Index: 8
Wind: 6 mph
1 PM
Cloudy Weather
91°
Feels Like 99°
0
Humidity: 23%
UV Index: 9
Wind: 6 mph
2 PM
Cloudy Weather
93°
Feels Like 99°
0
Humidity: 20%
UV Index: 8
Wind: 7 mph
3 PM
Cloudy Weather
95°
Feels Like 99°
0
Humidity: 18%
UV Index: 6
Wind: 7 mph
4 PM
Cloudy Weather
97°
Feels Like 100°
0
Humidity: 17%
UV Index: 5
Wind: 6 mph
5 PM
Cloudy Weather
95°
Feels Like 97°
0
Humidity: 18%
UV Index: 3
Wind: 6 mph
6 PM
Cloudy Weather
93°
Feels Like 95°
0
Humidity: 18%
UV Index: 2
Wind: 5 mph
7 PM
Cloudy Weather
93°
Feels Like 91°
0
Humidity: 20%
UV Index: 1
Wind: 5 mph
8 PM
Cloudy Weather
91°
Feels Like 90°
0
Humidity: 22%
UV Index: 1
Wind: 5 mph
9 PM
Cloudy Night
86°
Feels Like 84°
0
Humidity: 27%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 31%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 37%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.23 µg/m³
  • PM10: 14.98 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.6 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.

2 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.56 µg/m³
  • PM10: 14.31 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.6 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.

3 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.76 µg/m³
  • PM10: 13.5 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.7 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.

4 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.26 µg/m³
  • PM10: 12.98 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.7 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.

5 AM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.94 µg/m³
  • PM10: 12.64 µg/m³
  • O3: 0.021 ppm
  • NO2: 4.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

6 AM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.65 µg/m³
  • PM10: 12.32 µg/m³
  • O3: 0.020 ppm
  • NO2: 4.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 AM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.51 µg/m³
  • PM10: 12.18 µg/m³
  • O3: 0.019 ppm
  • NO2: 5 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 AM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.56 µg/m³
  • PM10: 12.25 µg/m³
  • O3: 0.019 ppm
  • NO2: 5.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 AM
43 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.24 µg/m³
  • PM10: 11.05 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.03 µg/m³
  • PM10: 10.91 µg/m³
  • O3: 0.030 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
43 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.42 µg/m³
  • PM10: 11.41 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

12 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 14.79 µg/m³
  • PM10: 15.84 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 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.

1 PM
85 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.89 µg/m³
  • PM10: 17.7 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.5 ppb
  • SO2: 0 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.

2 PM
92 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 17.82 µg/m³
  • PM10: 18.55 µg/m³
  • O3: 0.067 ppm
  • NO2: 0.5 ppb
  • SO2: 0 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.

3 PM
103 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 19.45 µg/m³
  • PM10: 20.11 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 PM
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 20.54 µg/m³
  • PM10: 21.15 µg/m³
  • O3: 0.073 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 PM
114 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 20.85 µg/m³
  • PM10: 21.45 µg/m³
  • O3: 0.074 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 PM
113 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 21.13 µg/m³
  • PM10: 21.75 µg/m³
  • O3: 0.074 ppm
  • NO2: 1 ppb
  • SO2: 0 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 PM
103 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 21.29 µg/m³
  • PM10: 21.96 µg/m³
  • O3: 0.071 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
90 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 21.28 µg/m³
  • PM10: 22 µg/m³
  • O3: 0.067 ppm
  • NO2: 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
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.29 µg/m³
  • PM10: 22.05 µg/m³
  • O3: 0.060 ppm
  • NO2: 2.4 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
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.43 µg/m³
  • PM10: 22.19 µg/m³
  • O3: 0.053 ppm
  • NO2: 3.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

11 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.44 µg/m³
  • PM10: 22.2 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Spokane

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 20 at 9:21PM PDT until July 23 at 9:00PM PDT by NWS Spokane WA
Jul 21, 11:00 AM Jul 23, 9:00 PM
WHAT: Hot temperatures with daytime highs in the mid 90s to near
100 degrees Tuesday and upper 90s to low 100s Wednesday and
Thursday. This will pose a moderate to major risk of heat-related
illness.

WHERE: Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.

WHEN: From 11 AM Tuesday to 9 PM PDT Thursday.

IMPACTS: Hot temperatures may cause heat illnesses.

ADDITIONAL DETAILS: Wednesday will likely be the hottest day with
widespread moderate and major HeatRisk. Moderate and locally major
HeatRisk continue into Thursday. Limited overnight relief expected
across the lower elevations Wednesday and Thursday mornings with
low temperatures in the mid 60s to mid 70s. Smoke from area
wildfires may end up affecting how hot high temperatures get.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Updated: Jul 21, 12:04 AM Source: NWS Alert

Air Quality Alert

Air Quality Alert issued July 20 at 12:33PM PDT by NWS Spokane WA
Jul 20, 12:33 PM Jul 21, 12:45 PM
An Air Quality Alert has been issued by the following agencies:

Washington Department of Ecology
Spokane Regional Clean Air Agency

An Air Quality Alert continues for Spokane, Ferry, Lincoln,
Okanogan, Pend Oreille, and Stevens Counties, effective immediately
through Wednesday, July 22nd at 9 AM, due to current and expected
wildfire smoke from regional fires. Particulate matter (PM2.5) levels
are expected to range in the Unhealthy for Sensitive Groups and
Unhealthy categories. In Eastern Okanogan County near active
wildfires, air quality may reach Very Unhealthy to Hazardous levels.
When air quality is Unhealthy, everyone should reduce exposure. Limit
time outside, avoid strenuous activity, and follow tips for cleaner
indoor air.
Updated: Jul 21, 12:04 AM Source: NWS Alert