Hourly Weather | Today Wednesday, August 5, 2026
Berkeley, California
3 PM
Cloudy Weather
72°
Feels Like 75°
0
Humidity: 65%
UV Index: 7
Wind: 10 mph
4 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 67%
UV Index: 4
Wind: 12 mph
5 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 69%
UV Index: 3
Wind: 10 mph
6 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 72%
UV Index: 2
Wind: 10 mph
7 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 77%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 82%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
61°
Feels Like 55°
0
Humidity: 89%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
61°
Feels Like 55°
0
Humidity: 90%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
59°
Feels Like 55°
0
Humidity: 90%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
105 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 37.59 µg/m³
  • PM10: 50.88 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

4 PM
114 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 41.17 µg/m³
  • PM10: 55.2 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

5 PM
123 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 44.49 µg/m³
  • PM10: 59.2 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

6 PM
131 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 47.81 µg/m³
  • PM10: 63.17 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.22 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

7 PM
139 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 50.93 µg/m³
  • PM10: 66.88 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

8 PM
146 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 53.92 µg/m³
  • PM10: 70.44 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.24 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

9 PM
150 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 56.35 µg/m³
  • PM10: 73.37 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.24 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

10 PM
152 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 58.25 µg/m³
  • PM10: 75.65 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

11 PM
153 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 60.38 µg/m³
  • PM10: 78.1 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.