Hourly Weather | Today Thursday, December 11, 2025
Concord, California
2 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 77%
Wind: 7 mph
UV Index: 2
3 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 76%
Wind: 6 mph
UV Index: 1
4 PM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 79%
Wind: 6 mph
UV Index: 1
5 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 83%
Wind: 5 mph
UV Index: 0
6 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 90%
Wind: 5 mph
UV Index: 0
7 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 95%
Wind: 5 mph
UV Index: 0
8 PM
Cloudy Night
45°
Feels Like 45°
0
Humidity: 97%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
43°
Feels Like 43°
0
Humidity: 89%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 100%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 100%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 24.4 µg/m³
  • PM10: 32.34 µg/m³
  • O3: 0.033 ppm
  • NO2: 10.1 ppb
  • SO2: 1 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 24.02 µg/m³
  • PM10: 31.77 µg/m³
  • O3: 0.034 ppm
  • NO2: 10.3 ppb
  • SO2: 1 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 22.71 µg/m³
  • PM10: 30.11 µg/m³
  • O3: 0.034 ppm
  • NO2: 11.1 ppb
  • SO2: 1 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 21.12 µg/m³
  • PM10: 28.13 µg/m³
  • O3: 0.032 ppm
  • NO2: 12.4 ppb
  • SO2: 1 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

6 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.07 µg/m³
  • PM10: 26.86 µg/m³
  • O3: 0.029 ppm
  • NO2: 12.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

7 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.29 µg/m³
  • PM10: 26.13 µg/m³
  • O3: 0.025 ppm
  • NO2: 13 ppb
  • SO2: 0.8 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

8 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.19 µg/m³
  • PM10: 26.31 µg/m³
  • O3: 0.022 ppm
  • NO2: 14.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

9 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.47 µg/m³
  • PM10: 26.85 µg/m³
  • O3: 0.019 ppm
  • NO2: 15.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

10 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.21 µg/m³
  • PM10: 27.67 µg/m³
  • O3: 0.017 ppm
  • NO2: 16.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.29 ppm

Health Recommendations:

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

11 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.9 µg/m³
  • PM10: 28.31 µg/m³
  • O3: 0.016 ppm
  • NO2: 16.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.29 ppm

Health Recommendations:

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