Hourly Weather | Today Wednesday, February 4, 2026
El Monte, California
6 PM
Night
81°
Feels Like 75°
0
Humidity: 14%
UV Index: 0
Wind: 20 mph
7 PM
Cloudy Night
77°
Feels Like 75°
0
Humidity: 18%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 21%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
72°
Feels Like 68°
0
Humidity: 23%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 26%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 28%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
82 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 23.22 µg/m³
  • PM10: 32.03 µg/m³
  • O3: 0.064 ppm
  • NO2: 12.2 ppb
  • SO2: 1.1 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.

7 PM
78 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 19.68 µg/m³
  • PM10: 27.42 µg/m³
  • O3: 0.063 ppm
  • NO2: 7.1 ppb
  • SO2: 1 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

8 PM
75 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 17.59 µg/m³
  • PM10: 24.56 µg/m³
  • O3: 0.062 ppm
  • NO2: 4.5 ppb
  • SO2: 0.9 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

9 PM
67 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.58 µg/m³
  • PM10: 22.89 µg/m³
  • O3: 0.060 ppm
  • NO2: 3.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.4 µg/m³
  • PM10: 22.44 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.88 µg/m³
  • PM10: 23.33 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

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