Hourly Weather | Today Sunday, May 10, 2026
Alhambra, California
5 AM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 91%
UV Index: 0
Wind: 2 mph
6 AM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 90%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 82%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
63°
Feels Like 68°
0
Humidity: 76%
UV Index: 2
Wind: 4 mph
9 AM
Cloudy Weather
66°
Feels Like 72°
0
Humidity: 67%
UV Index: 3
Wind: 5 mph
10 AM
Cloudy Weather
70°
Feels Like 75°
0
Humidity: 59%
UV Index: 5
Wind: 5 mph
11 AM
Cloudy Weather
73°
Feels Like 81°
0
Humidity: 53%
UV Index: 7
Wind: 6 mph
12 PM
Cloudy Weather
75°
Feels Like 84°
0
Humidity: 47%
UV Index: 10
Wind: 7 mph
1 PM
Cloudy Weather
79°
Feels Like 88°
0
Humidity: 42%
UV Index: 11
Wind: 7 mph
2 PM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 40%
UV Index: 10
Wind: 8 mph
3 PM
Cloudy Weather
81°
Feels Like 86°
0
Humidity: 39%
UV Index: 7
Wind: 8 mph
4 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 40%
UV Index: 5
Wind: 8 mph
5 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 42%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 44%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
73°
Feels Like 72°
0
Humidity: 50%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 58%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 65%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 71%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
63°
Feels Like 64°
0
Humidity: 77%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.02 µg/m³
  • PM10: 20.75 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.93 µg/m³
  • PM10: 20.02 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 19.47 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.93 µg/m³
  • PM10: 19.12 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 19 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

10 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.26 µg/m³
  • PM10: 19.2 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.68 µg/m³
  • PM10: 19.68 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.34 µg/m³
  • PM10: 20.36 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.2 µg/m³
  • PM10: 21.22 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

2 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.19 µg/m³
  • PM10: 22.17 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

3 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.25 µg/m³
  • PM10: 23.16 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.86 µg/m³
  • PM10: 23.57 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

5 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.8 µg/m³
  • PM10: 23.13 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

6 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.41 µg/m³
  • PM10: 21.88 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 20.63 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.13 µg/m³
  • PM10: 19.44 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.64 µg/m³
  • PM10: 18.68 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.31 µg/m³
  • PM10: 18.24 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.97 µg/m³
  • PM10: 17.82 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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