Hourly Weather | Today Wednesday, August 5, 2026
Downey, California
6 AM
Cloudy Night
70°
Feels Like 70°
0
Humidity: 76%
UV Index: 0
Wind: 1 mph
7 AM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 76%
UV Index: 1
Wind: 1 mph
8 AM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 73%
UV Index: 1
Wind: 4 mph
9 AM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 70%
UV Index: 2
Wind: 4 mph
10 AM
Cloudy Weather
75°
Feels Like 82°
0
Humidity: 65%
UV Index: 5
Wind: 5 mph
11 AM
Cloudy Weather
79°
Feels Like 88°
0
Humidity: 60%
UV Index: 7
Wind: 6 mph
12 PM
Sunny Weather
81°
Feels Like 91°
0
Humidity: 55%
UV Index: 10
Wind: 7 mph
1 PM
Sunny Weather
84°
Feels Like 91°
0
Humidity: 50%
UV Index: 11
Wind: 7 mph
2 PM
Cloudy Weather
86°
Feels Like 93°
0
Humidity: 46%
UV Index: 10
Wind: 8 mph
3 PM
Cloudy Weather
86°
Feels Like 91°
0
Humidity: 44%
UV Index: 7
Wind: 8 mph
4 PM
Cloudy Weather
84°
Feels Like 88°
0
Humidity: 45%
UV Index: 5
Wind: 9 mph
5 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 47%
UV Index: 3
Wind: 9 mph
6 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 50%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 55%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
75°
Feels Like 75°
0
Humidity: 62%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
73°
Feels Like 73°
0
Humidity: 68%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
72°
Feels Like 72°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
72°
Feels Like 72°
0
Humidity: 76%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.61 µg/m³
  • PM10: 33.44 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

7 AM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.51 µg/m³
  • PM10: 32.34 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

8 AM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.52 µg/m³
  • PM10: 31.72 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

9 AM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.62 µg/m³
  • PM10: 31.5 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

10 AM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.79 µg/m³
  • PM10: 31.61 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

11 AM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.99 µg/m³
  • PM10: 31.74 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

12 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.18 µg/m³
  • PM10: 31.82 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

1 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.42 µg/m³
  • PM10: 32.13 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

2 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.71 µg/m³
  • PM10: 32.44 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

3 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.06 µg/m³
  • PM10: 32.83 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.49 µg/m³
  • PM10: 33.49 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.98 µg/m³
  • PM10: 34.38 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.49 µg/m³
  • PM10: 35.2 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.9 µg/m³
  • PM10: 35.67 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.27 µg/m³
  • PM10: 36.06 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.72 µg/m³
  • PM10: 36.51 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.41 µg/m³
  • PM10: 37.42 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.43 µg/m³
  • PM10: 38.57 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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