Hourly Weather | Today Wednesday, December 31, 2025
Concord, California
6 PM
Cloudy Weather
46°
Feels Like 43°
49
Humidity: 94%
Wind: 7 mph
UV Index: 0
7 PM
Rainy Weather
46°
Feels Like 37°
78
Humidity: 99%
Wind: 8 mph
UV Index: 0
8 PM
Rainy Weather
46°
Feels Like 37°
83
Humidity: 97%
Wind: 8 mph
UV Index: 0
9 PM
Rainy Weather
48°
Feels Like 41°
78
Humidity: 96%
Wind: 8 mph
UV Index: 0
10 PM
Rainy Weather
50°
Feels Like 43°
73
Humidity: 92%
Wind: 8 mph
UV Index: 0
11 PM
Rainy Weather
50°
Feels Like 43°
73
Humidity: 90%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.06 µg/m³
  • PM10: 5.18 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.62 µg/m³
  • PM10: 4.77 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.25 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.08 µg/m³
  • PM10: 4.51 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.11 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 5.32 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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