Hourly Weather | Today Monday, April 27, 2026
Santa Monica, California
4 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 56%
UV Index: 4
Wind: 14 mph
5 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 57%
UV Index: 3
Wind: 14 mph
6 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 59%
UV Index: 2
Wind: 13 mph
7 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 62%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 67%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 69%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 73%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 75%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
87 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.4 µg/m³
  • PM10: 3.51 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

5 PM
87 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.46 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 1.52 µg/m³
  • PM10: 4.12 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 4.45 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 4.71 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 1.65 µg/m³
  • PM10: 4.84 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

10 PM
83 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 4.88 µg/m³
  • O3: 0.064 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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 PM
82 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 4.93 µg/m³
  • O3: 0.064 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.