Hourly Weather | Today Tuesday, January 13, 2026
El Monte, California
3 PM
Sunny Weather
84°
Feels Like 84°
0
Humidity: 18%
Wind: 6 mph
UV Index: 2
4 PM
Sunny Weather
81°
Feels Like 81°
0
Humidity: 21%
Wind: 6 mph
UV Index: 1
5 PM
Sunny Weather
77°
Feels Like 75°
0
Humidity: 24%
Wind: 6 mph
UV Index: 0
6 PM
Night
73°
Feels Like 72°
0
Humidity: 28%
Wind: 6 mph
UV Index: 0
7 PM
Night
70°
Feels Like 66°
0
Humidity: 35%
Wind: 6 mph
UV Index: 0
8 PM
Night
66°
Feels Like 64°
0
Humidity: 38%
Wind: 6 mph
UV Index: 0
9 PM
Night
63°
Feels Like 63°
0
Humidity: 39%
Wind: 7 mph
UV Index: 0
10 PM
Night
61°
Feels Like 61°
0
Humidity: 41%
Wind: 6 mph
UV Index: 0
11 PM
Night
61°
Feels Like 59°
0
Humidity: 41%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 50.96 µg/m³
  • PM10: 66.69 µg/m³
  • O3: 0.056 ppm
  • NO2: 21.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.49 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 51.13 µg/m³
  • PM10: 67.12 µg/m³
  • O3: 0.056 ppm
  • NO2: 20.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.48 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 47.68 µg/m³
  • PM10: 63.43 µg/m³
  • O3: 0.053 ppm
  • NO2: 19.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.45 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 41.41 µg/m³
  • PM10: 55.96 µg/m³
  • O3: 0.049 ppm
  • NO2: 14 ppb
  • SO2: 0.7 ppb
  • CO: 0.40 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 34.81 µg/m³
  • PM10: 47.5 µg/m³
  • O3: 0.047 ppm
  • NO2: 8.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.35 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 29.08 µg/m³
  • PM10: 39.83 µg/m³
  • O3: 0.045 ppm
  • NO2: 5.5 ppb
  • SO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 24.05 µg/m³
  • PM10: 33.07 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.4 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.

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

Pollutant Concentrations:

  • PM2.5: 19.77 µg/m³
  • PM10: 27.32 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 16.39 µg/m³
  • PM10: 22.87 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 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.