Hourly Weather | Today › Wednesday, October 28, 2026
Antioch, California
10 AM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 48%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 42%
UV Index: 3
Wind: 7 mph
12 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 39%
UV Index: 3
Wind: 7 mph
1 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 36%
UV Index: 4
Wind: 7 mph
2 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 34%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 31%
UV Index: 3
Wind: 7 mph
4 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 29%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 31%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 35%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 42%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 50%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 58%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 71%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.07 µg/m³
  • PM10: 9.51 µg/m³
  • O3: 0.027 ppm
  • NO2: 6.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 11.3 µg/m³
  • O3: 0.027 ppm
  • NO2: 7.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 12.04 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.7 ppb
  • SO2: 1.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.42 µg/m³
  • PM10: 12.12 µg/m³
  • O3: 0.040 ppm
  • NO2: 4.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.74 µg/m³
  • PM10: 12.02 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.5 µg/m³
  • PM10: 11.23 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.9 ppb
  • SO2: 1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.6 µg/m³
  • PM10: 9.97 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.44 µg/m³
  • PM10: 8.65 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.46 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.86 µg/m³
  • PM10: 7.14 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.52 µg/m³
  • PM10: 7 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 7.1 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 7.33 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.43 µg/m³
  • PM10: 7.54 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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