Hourly Weather | Today Tuesday, April 7, 2026
Bellingham, Washington
6 AM
Cloudy Night
39°
Feels Like 39°
7
Humidity: 79%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
41°
Feels Like 43°
5
Humidity: 73%
UV Index: 0
Wind: 5 mph
8 AM
Cloudy Weather
43°
Feels Like 43°
0
Humidity: 75%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
45°
Feels Like 45°
0
Humidity: 69%
UV Index: 1
Wind: 6 mph
10 AM
Cloudy Weather
45°
Feels Like 46°
0
Humidity: 64%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
46°
Feels Like 50°
0
Humidity: 59%
UV Index: 3
Wind: 7 mph
12 PM
Cloudy Weather
48°
Feels Like 52°
0
Humidity: 57%
UV Index: 4
Wind: 7 mph
1 PM
Cloudy Weather
50°
Feels Like 54°
0
Humidity: 56%
UV Index: 4
Wind: 7 mph
2 PM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 54%
UV Index: 4
Wind: 8 mph
3 PM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 52%
UV Index: 3
Wind: 7 mph
4 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 49%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 49%
UV Index: 2
Wind: 6 mph
6 PM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 51%
UV Index: 1
Wind: 6 mph
7 PM
Cloudy Weather
48°
Feels Like 50°
0
Humidity: 56%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 65%
UV Index: 0
Wind: 2 mph
9 PM
Cloudy Night
43°
Feels Like 45°
0
Humidity: 72%
UV Index: 0
Wind: 2 mph
10 PM
Cloudy Night
39°
Feels Like 43°
0
Humidity: 79%
UV Index: 0
Wind: 2 mph
11 PM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 84%
UV Index: 0
Wind: 2 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.24 µg/m³
  • PM10: 3 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

7 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 3.05 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.21 µg/m³
  • PM10: 3.1 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 3.16 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.030 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 3.42 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.16 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 2.71 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.39 µg/m³
  • PM10: 2.89 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 3.22 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 3.53 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 3.74 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 4.06 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 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: 2.64 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 4.7 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 5.11 µg/m³
  • O3: 0.022 ppm
  • NO2: 4 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.36 µg/m³
  • PM10: 5.39 µg/m³
  • O3: 0.021 ppm
  • NO2: 4.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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