Hourly Weather | Today Tuesday, January 13, 2026
Antioch, California
3 PM
Sunny Weather
59°
Feels Like 61°
0
Humidity: 62%
Wind: 6 mph
UV Index: 1
4 PM
Sunny Weather
57°
Feels Like 57°
0
Humidity: 67%
Wind: 6 mph
UV Index: 1
5 PM
Sunny Weather
54°
Feels Like 54°
0
Humidity: 73%
Wind: 5 mph
UV Index: 0
6 PM
Night
52°
Feels Like 52°
0
Humidity: 79%
Wind: 5 mph
UV Index: 0
7 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 80%
Wind: 5 mph
UV Index: 0
8 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 85%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 89%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
43°
Feels Like 41°
0
Humidity: 90%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
43°
Feels Like 41°
0
Humidity: 92%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
154 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 63.1 µg/m³
  • PM10: 72.49 µg/m³
  • O3: 0.042 ppm
  • NO2: 21.7 ppb
  • SO2: 2.2 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

4 PM
154 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 63.81 µg/m³
  • PM10: 73.21 µg/m³
  • O3: 0.041 ppm
  • NO2: 23.4 ppb
  • SO2: 2.2 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 61.15 µg/m³
  • PM10: 70.38 µg/m³
  • O3: 0.037 ppm
  • NO2: 26.2 ppb
  • SO2: 1.8 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

6 PM
151 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 56.94 µg/m³
  • PM10: 65.91 µg/m³
  • O3: 0.031 ppm
  • NO2: 26.3 ppb
  • SO2: 1.6 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 53.95 µg/m³
  • PM10: 62.8 µg/m³
  • O3: 0.027 ppm
  • NO2: 25.3 ppb
  • SO2: 1.4 ppb
  • CO: 0.42 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 53.59 µg/m³
  • PM10: 62.75 µg/m³
  • O3: 0.022 ppm
  • NO2: 26.4 ppb
  • SO2: 1.4 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 54.74 µg/m³
  • PM10: 64.58 µg/m³
  • O3: 0.018 ppm
  • NO2: 28.5 ppb
  • SO2: 1.4 ppb
  • CO: 0.45 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 54.83 µg/m³
  • PM10: 65.16 µg/m³
  • O3: 0.015 ppm
  • NO2: 30.4 ppb
  • SO2: 1.4 ppb
  • CO: 0.46 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 53.66 µg/m³
  • PM10: 64.05 µg/m³
  • O3: 0.013 ppm
  • NO2: 31 ppb
  • SO2: 1.4 ppb
  • CO: 0.47 ppm

Health Recommendations:

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