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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Saturday, August 29, 2026
Active Weather Warnings
Alhambra, California
3 AM
Night
75°
Feels Like 77°
0
Humidity: 72%
UV Index: 0
Wind: 4 mph
4 AM
Night
75°
Feels Like 75°
0
Humidity: 74%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Night
73°
Feels Like 75°
0
Humidity: 76%
UV Index: 0
Wind: 4 mph
6 AM
Night
73°
Feels Like 73°
0
Humidity: 78%
UV Index: 0
Wind: 4 mph
7 AM
Sunny Weather
75°
Feels Like 77°
0
Humidity: 73%
UV Index: 0
Wind: 4 mph
8 AM
Sunny Weather
79°
Feels Like 84°
0
Humidity: 69%
UV Index: 2
Wind: 4 mph
9 AM
Sunny Weather
82°
Feels Like 90°
0
Humidity: 58%
UV Index: 3
Wind: 5 mph
10 AM
Sunny Weather
88°
Feels Like 93°
0
Humidity: 50%
UV Index: 4
Wind: 5 mph
11 AM
Cloudy Weather
90°
Feels Like 97°
0
Humidity: 44%
UV Index: 6
Wind: 6 mph
12 PM
Cloudy Weather
93°
Feels Like 100°
0
Humidity: 40%
UV Index: 8
Wind: 7 mph
1 PM
Cloudy Weather
95°
Feels Like 102°
0
Humidity: 36%
UV Index: 9
Wind: 8 mph
2 PM
Cloudy Weather
99°
Feels Like 102°
0
Humidity: 33%
UV Index: 8
Wind: 9 mph
3 PM
Sunny Weather
97°
Feels Like 99°
0
Humidity: 34%
UV Index: 6
Wind: 9 mph
4 PM
Sunny Weather
95°
Feels Like 97°
0
Humidity: 35%
UV Index: 4
Wind: 9 mph
5 PM
Sunny Weather
91°
Feels Like 91°
0
Humidity: 38%
UV Index: 3
Wind: 9 mph
6 PM
Sunny Weather
90°
Feels Like 90°
0
Humidity: 40%
UV Index: 2
Wind: 8 mph
7 PM
Sunny Weather
88°
Feels Like 86°
0
Humidity: 45%
UV Index: 0
Wind: 7 mph
8 PM
Night
84°
Feels Like 82°
0
Humidity: 50%
UV Index: 0
Wind: 6 mph
9 PM
Night
81°
Feels Like 81°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
10 PM
Night
79°
Feels Like 79°
0
Humidity: 62%
UV Index: 0
Wind: 6 mph
11 PM
Night
79°
Feels Like 77°
0
Humidity: 64%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
158 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 70.99 µg/m³
  • PM10: 90.46 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

4 AM
158 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 71.32 µg/m³
  • PM10: 90.52 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

5 AM
155 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 65.29 µg/m³
  • PM10: 84.18 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

6 AM
151 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 57.96 µg/m³
  • PM10: 76.04 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

7 AM
139 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 50.92 µg/m³
  • PM10: 68.32 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 AM
119 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 42.98 µg/m³
  • PM10: 60.4 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
99 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 35.16 µg/m³
  • PM10: 52.77 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 AM
85 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 28.15 µg/m³
  • PM10: 46.2 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 AM
73 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.59 µg/m³
  • PM10: 40.93 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.94 µg/m³
  • PM10: 37.48 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

1 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.02 µg/m³
  • PM10: 35.9 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.23 µg/m³
  • PM10: 35.6 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

3 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.88 µg/m³
  • PM10: 35.59 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

4 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.2 µg/m³
  • PM10: 34.96 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.03 µg/m³
  • PM10: 33.6 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

6 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.5 µg/m³
  • PM10: 31.99 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

7 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.87 µg/m³
  • PM10: 30.45 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

8 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.16 µg/m³
  • PM10: 29.9 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.44 µg/m³
  • PM10: 32.36 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 19.09 µg/m³
  • PM10: 39.7 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 28.99 µg/m³
  • PM10: 50.64 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Alhambra

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 28 at 11:16AM PDT until August 29 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Aug 28, 8:00 PM → Aug 29, 8:00 PM
WHAT: Hot daytime conditions with high temperatures between 98 and
108 common, hottest Friday. Warm overnight conditions will bring
less relief than usual.

WHERE: Most valleys of Los Angeles and Ventura Counties.

WHEN: For the Extreme Heat Warning, until 8 PM PDT this evening.
For the Heat Advisory, from 8 PM this evening to 8 PM PDT Saturday.

IMPACTS: There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Limit strenuous activities to early morning or evening hours. Take action when you see symptoms of heat exhaustion.
Updated: Aug 29, 1:11 AM Source: NWS Alert

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