Hourly Weather | Today › Wednesday, October 28, 2026
Concord, California
12 PM
Cloudy Weather
63°
Feels Like 70°
0
Humidity: 45%
UV Index: 3
Wind: 5 mph
1 PM
Cloudy Weather
64°
Feels Like 70°
0
Humidity: 39%
UV Index: 4
Wind: 5 mph
2 PM
Cloudy Weather
66°
Feels Like 72°
0
Humidity: 35%
UV Index: 3
Wind: 6 mph
3 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 31%
UV Index: 3
Wind: 6 mph
4 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 30%
UV Index: 2
Wind: 5 mph
5 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 32%
UV Index: 1
Wind: 5 mph
6 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 37%
UV Index: 0
Wind: 5 mph
7 PM
Cloudy Night
64°
Feels Like 64°
0
Humidity: 45%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Night
61°
Feels Like 63°
0
Humidity: 51%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
59°
Feels Like 59°
0
Humidity: 57%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
55°
Feels Like 57°
0
Humidity: 64%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
54°
Feels Like 55°
0
Humidity: 73%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.51 µg/m³
  • PM10: 10.26 µg/m³
  • O3: 0.039 ppm
  • NO2: 3 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.11 µg/m³
  • PM10: 10.84 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.5 µg/m³
  • PM10: 10.95 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 10.35 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.46 µg/m³
  • PM10: 9.5 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 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: 3.6 µg/m³
  • PM10: 8.84 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 8.51 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 8.38 µg/m³
  • O3: 0.047 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.44 µg/m³
  • PM10: 8.49 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 8.66 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 8.85 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 9.02 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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