Hourly Weather | Today › Wednesday, November 4, 2026
Bellingham, Washington
8 AM
Cloudy Weather
39°
Feels Like 39°
0
Humidity: 81%
UV Index: 1
Wind: 4 mph
9 AM
Cloudy Weather
41°
Feels Like 45°
0
Humidity: 76%
UV Index: 1
Wind: 4 mph
10 AM
Cloudy Weather
46°
Feels Like 48°
0
Humidity: 71%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 62%
UV Index: 2
Wind: 5 mph
12 PM
Cloudy Weather
54°
Feels Like 57°
1
Humidity: 56%
UV Index: 2
Wind: 5 mph
1 PM
Cloudy Weather
55°
Feels Like 57°
7
Humidity: 53%
UV Index: 1
Wind: 5 mph
2 PM
Cloudy Weather
57°
Feels Like 61°
7
Humidity: 51%
UV Index: 1
Wind: 4 mph
3 PM
Cloudy Weather
55°
Feels Like 57°
7
Humidity: 56%
UV Index: 1
Wind: 5 mph
4 PM
Cloudy Weather
54°
Feels Like 54°
7
Humidity: 69%
UV Index: 0
Wind: 5 mph
5 PM
Cloudy Weather
52°
Feels Like 52°
7
Humidity: 76%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Weather
52°
Feels Like 48°
10
Humidity: 79%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Weather
52°
Feels Like 46°
47
Humidity: 77%
UV Index: 0
Wind: 8 mph
8 PM
Rainy Weather
52°
Feels Like 43°
51
Humidity: 77%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Weather
52°
Feels Like 46°
47
Humidity: 78%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Weather
52°
Feels Like 45°
43
Humidity: 81%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Weather
52°
Feels Like 45°
47
Humidity: 84%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.67 µg/m³
  • PM10: 22.11 µg/m³
  • O3: 0.004 ppm
  • NO2: 14.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.33 ppm

Health Recommendations:

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

9 AM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.99 µg/m³
  • PM10: 21.35 µg/m³
  • O3: 0.006 ppm
  • NO2: 13.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.33 ppm

Health Recommendations:

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

10 AM
60 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.72 µg/m³
  • PM10: 19.94 µg/m³
  • O3: 0.008 ppm
  • NO2: 11.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.32 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.94 µg/m³
  • PM10: 15.5 µg/m³
  • O3: 0.018 ppm
  • NO2: 9.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

12 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.8 µg/m³
  • PM10: 12.95 µg/m³
  • O3: 0.022 ppm
  • NO2: 8 ppb
  • SO2: 0.7 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

1 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.32 µg/m³
  • PM10: 11.13 µg/m³
  • O3: 0.025 ppm
  • NO2: 6.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

2 PM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.77 µg/m³
  • PM10: 9.17 µg/m³
  • O3: 0.029 ppm
  • NO2: 5.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

3 PM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.16 µg/m³
  • PM10: 8.35 µg/m³
  • O3: 0.029 ppm
  • NO2: 4.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

4 PM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.79 µg/m³
  • PM10: 7.83 µg/m³
  • O3: 0.029 ppm
  • NO2: 4.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.45 µg/m³
  • PM10: 7.31 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.16 µg/m³
  • PM10: 6.87 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

7 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 6.56 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

8 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.67 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.020 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

9 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.4 µg/m³
  • PM10: 5.95 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

10 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.07 µg/m³
  • PM10: 5.48 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

11 PM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 4.93 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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