Hourly Weather | Today Wednesday, February 4, 2026
Compton, California
5 PM
Sunny Weather
84°
Feels Like 82°
0
Humidity: 16%
UV Index: 0
Wind: 7 mph
6 PM
Night
81°
Feels Like 79°
0
Humidity: 19%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
77°
Feels Like 75°
0
Humidity: 23%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 26%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 28%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 30%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 30%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
118 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 42.58 µg/m³
  • PM10: 53.78 µg/m³
  • O3: 0.073 ppm
  • NO2: 13.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.36 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

6 PM
106 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 37.95 µg/m³
  • PM10: 48.54 µg/m³
  • O3: 0.069 ppm
  • NO2: 10.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.33 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

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

Pollutant Concentrations:

  • PM2.5: 34.14 µg/m³
  • PM10: 44.25 µg/m³
  • O3: 0.066 ppm
  • NO2: 7 ppb
  • SO2: 0.7 ppb
  • CO: 0.31 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 31.72 µg/m³
  • PM10: 41.66 µg/m³
  • O3: 0.063 ppm
  • NO2: 4.7 ppb
  • SO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 30.11 µg/m³
  • PM10: 39.87 µg/m³
  • O3: 0.060 ppm
  • NO2: 3.4 ppb
  • SO2: 0.6 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
86 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 28.84 µg/m³
  • PM10: 38.62 µg/m³
  • O3: 0.057 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 27.67 µg/m³
  • PM10: 37.71 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.8 ppb
  • SO2: 0.4 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.