Hourly Weather | Today Monday, January 19, 2026
Berkeley, California
2 AM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 81%
Wind: 6 mph
UV Index: 0
3 AM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 82%
Wind: 6 mph
UV Index: 0
4 AM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0
5 AM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 83%
Wind: 7 mph
UV Index: 0
6 AM
Cloudy Night
45°
Feels Like 41°
0
Humidity: 88%
Wind: 7 mph
UV Index: 0
7 AM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 88%
Wind: 6 mph
UV Index: 0
8 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 80%
Wind: 6 mph
UV Index: 1
9 AM
Cloudy Weather
50°
Feels Like 52°
0
Humidity: 75%
Wind: 6 mph
UV Index: 2
10 AM
Cloudy Weather
54°
Feels Like 55°
0
Humidity: 69%
Wind: 7 mph
UV Index: 2
11 AM
Cloudy Weather
57°
Feels Like 59°
0
Humidity: 61%
Wind: 7 mph
UV Index: 3
12 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 53%
Wind: 7 mph
UV Index: 3
1 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 49%
Wind: 7 mph
UV Index: 3
2 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 47%
Wind: 7 mph
UV Index: 2
3 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 50%
Wind: 7 mph
UV Index: 2
4 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 52%
Wind: 6 mph
UV Index: 1
5 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 58%
Wind: 6 mph
UV Index: 0
6 PM
Night
55°
Feels Like 54°
0
Humidity: 64%
Wind: 6 mph
UV Index: 0
7 PM
Night
52°
Feels Like 52°
0
Humidity: 70%
Wind: 6 mph
UV Index: 0
8 PM
Night
48°
Feels Like 48°
0
Humidity: 77%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 79%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 82%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 10.36 µg/m³
  • PM10: 16.03 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 15.9 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.99 µg/m³
  • PM10: 15.96 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.04 µg/m³
  • PM10: 16.1 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 16.2 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.1 µg/m³
  • PM10: 16.32 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.32 µg/m³
  • PM10: 16.64 µg/m³
  • O3: 0.024 ppm
  • NO2: 3.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.76 µg/m³
  • PM10: 17.12 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.2 µg/m³
  • PM10: 17.54 µg/m³
  • O3: 0.024 ppm
  • NO2: 4 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.55 µg/m³
  • PM10: 17.86 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.07 µg/m³
  • PM10: 18.27 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

1 PM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13 µg/m³
  • PM10: 18.98 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.44 µg/m³
  • PM10: 19.26 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.98 µg/m³
  • PM10: 18.92 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.36 µg/m³
  • PM10: 18.53 µg/m³
  • O3: 0.042 ppm
  • NO2: 2 ppb
  • SO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 11.59 µg/m³
  • PM10: 18.1 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.81 µg/m³
  • PM10: 17.82 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.2 µg/m³
  • PM10: 17.64 µg/m³
  • O3: 0.042 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 17.27 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.73 µg/m³
  • PM10: 16.92 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.82 µg/m³
  • PM10: 16.79 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.99 µg/m³
  • PM10: 16.83 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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