Hourly Weather | Today Tuesday, February 24, 2026
Riverside, California
3 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 23%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 28%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 36%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 43%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 51%
UV Index: 0
Wind: 6 mph
8 PM
Night
66°
Feels Like 63°
0
Humidity: 59%
UV Index: 0
Wind: 5 mph
9 PM
Night
63°
Feels Like 63°
0
Humidity: 65%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 68%
UV Index: 0
Wind: 5 mph
11 PM
Night
59°
Feels Like 57°
0
Humidity: 71%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 17.17 µg/m³
  • PM10: 26.24 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 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: 15.26 µg/m³
  • PM10: 24.21 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.94 µg/m³
  • PM10: 23.26 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.25 µg/m³
  • PM10: 23.3 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.88 µg/m³
  • PM10: 23.86 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 17.87 µg/m³
  • PM10: 26.02 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 19.61 µg/m³
  • PM10: 27.93 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 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: 20.04 µg/m³
  • PM10: 28.42 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.4 ppb
  • SO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 18.85 µg/m³
  • PM10: 27.01 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.3 ppb
  • SO2: 0.5 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.