Hourly Weather | Today Tuesday, September 1, 2026
Tacoma, Washington
9 AM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 84%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 77%
UV Index: 1
Wind: 7 mph
11 AM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 71%
UV Index: 1
Wind: 8 mph
12 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 65%
UV Index: 1
Wind: 9 mph
1 PM
Cloudy Weather
70°
Feels Like 68°
0
Humidity: 61%
UV Index: 1
Wind: 9 mph
2 PM
Cloudy Weather
72°
Feels Like 73°
2
Humidity: 57%
UV Index: 5
Wind: 10 mph
3 PM
Cloudy Weather
72°
Feels Like 73°
2
Humidity: 54%
UV Index: 4
Wind: 10 mph
4 PM
Cloudy Weather
72°
Feels Like 72°
2
Humidity: 56%
UV Index: 3
Wind: 10 mph
5 PM
Cloudy Weather
70°
Feels Like 70°
2
Humidity: 58%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
70°
Feels Like 68°
2
Humidity: 61%
UV Index: 1
Wind: 10 mph
7 PM
Cloudy Weather
66°
Feels Like 64°
2
Humidity: 65%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
64°
Feels Like 63°
3
Humidity: 69%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
63°
Feels Like 61°
3
Humidity: 75%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
63°
Feels Like 61°
3
Humidity: 79%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
61°
Feels Like 61°
5
Humidity: 80%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 2.56 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 2.02 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 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: 1.14 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.7 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
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.16 µg/m³
  • PM10: 1.81 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.7 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
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.93 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 2.11 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.38 µg/m³
  • PM10: 2.23 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.3 µg/m³
  • PM10: 2.13 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.6 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
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 2.02 µg/m³
  • O3: 0.024 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 2.02 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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