Hourly Weather | Today Tuesday, September 1, 2026
Olympia, Washington
9 AM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 82%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 76%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 71%
UV Index: 1
Wind: 9 mph
12 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 66%
UV Index: 1
Wind: 9 mph
1 PM
Cloudy Weather
68°
Feels Like 66°
0
Humidity: 61%
UV Index: 1
Wind: 9 mph
2 PM
Cloudy Weather
68°
Feels Like 72°
2
Humidity: 59%
UV Index: 5
Wind: 9 mph
3 PM
Cloudy Weather
70°
Feels Like 72°
2
Humidity: 57%
UV Index: 4
Wind: 9 mph
4 PM
Cloudy Weather
72°
Feels Like 72°
2
Humidity: 54%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
68°
Feels Like 68°
2
Humidity: 60%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
68°
Feels Like 66°
2
Humidity: 62%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
66°
Feels Like 64°
2
Humidity: 68%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
64°
Feels Like 63°
3
Humidity: 69%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
63°
Feels Like 63°
3
Humidity: 75%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
61°
Feels Like 61°
3
Humidity: 78%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
61°
Feels Like 61°
5
Humidity: 80%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 3.81 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 3.69 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 3.71 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.84 µg/m³
  • PM10: 3.44 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 2.97 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.7 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.97 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.92 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.97 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 3.48 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 3.22 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.53 µg/m³
  • PM10: 2.65 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 2.16 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 1.74 µg/m³
  • O3: 0.029 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.