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Hourly Weather | Today | Tuesday, August 12, 2025
Downey, California
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
86°
Feels Like 91°
0
Humidity: 47%
Wind: 8 mph
UV Index: 7
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 88°
0
Humidity: 47%
Wind: 8 mph
UV Index: 4
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 84°
0
Humidity: 49%
Wind: 8 mph
UV Index: 3
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 81°
0
Humidity: 53%
Wind: 8 mph
UV Index: 2
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 75°
0
Humidity: 59%
Wind: 7 mph
UV Index: 1
8 PM
NightNighttime, with dark skies and stars or a moon visible.
75°
Feels Like 75°
0
Humidity: 62%
Wind: 6 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
73°
Feels Like 72°
0
Humidity: 69%
Wind: 6 mph
UV Index: 0
10 PM
NightNighttime, with dark skies and stars or a moon visible.
72°
Feels Like 70°
0
Humidity: 77%
Wind: 6 mph
UV Index: 0
11 PM
NightNighttime, with dark skies and stars or a moon visible.
70°
Feels Like 70°
0
Humidity: 79%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 28.58 µg/m³
  • PM10: 32.41 µg/m³
  • O₃: 57.89 ppb
  • NO₂: 9.44 ppb
  • SO₂: 5.19 ppb
  • CO: 180.00 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

4 PM
63 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 29.09 µg/m³
  • PM10: 32.71 µg/m³
  • O₃: 58.71 ppb
  • NO₂: 9.78 ppb
  • SO₂: 5.42 ppb
  • CO: 178.14 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

5 PM
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 29.71 µg/m³
  • PM10: 32.95 µg/m³
  • O₃: 59.53 ppb
  • NO₂: 10.12 ppb
  • SO₂: 5.66 ppb
  • CO: 176.27 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

6 PM
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 30.65 µg/m³
  • PM10: 33.53 µg/m³
  • O₃: 53.42 ppb
  • NO₂: 13.88 ppb
  • SO₂: 5.93 ppb
  • CO: 193.85 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

7 PM
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 31.85 µg/m³
  • PM10: 34.13 µg/m³
  • O₃: 47.31 ppb
  • NO₂: 17.63 ppb
  • SO₂: 6.20 ppb
  • CO: 211.43 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

8 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 32.71 µg/m³
  • PM10: 34.65 µg/m³
  • O₃: 41.20 ppb
  • NO₂: 21.39 ppb
  • SO₂: 6.47 ppb
  • CO: 229.00 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

9 PM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 33.39 µg/m³
  • PM10: 35.05 µg/m³
  • O₃: 35.81 ppb
  • NO₂: 22.98 ppb
  • SO₂: 6.32 ppb
  • CO: 234.56 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

10 PM
72 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 33.66 µg/m³
  • PM10: 35.13 µg/m³
  • O₃: 30.42 ppb
  • NO₂: 24.57 ppb
  • SO₂: 6.16 ppb
  • CO: 240.12 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

11 PM
73 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 33.38 µg/m³
  • PM10: 34.96 µg/m³
  • O₃: 25.02 ppb
  • NO₂: 26.17 ppb
  • SO₂: 6.01 ppb
  • CO: 245.67 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.