Hourly Weather Forecast for Corona, California

Hourly Weather | Today › Tuesday, August 4, 2026

Active Weather Warnings

Heat Advisory

Corona, California

3 PM

93°

Feels Like 97°

Humidity: 30%

UV Index: 7

Wind: 10 mph

4 PM

97°

Feels Like 97°

Humidity: 26%

UV Index: 5

Wind: 10 mph

5 PM

93°

Feels Like 93°

Humidity: 30%

UV Index: 3

Wind: 12 mph

6 PM

91°

Feels Like 90°

Humidity: 34%

UV Index: 2

Wind: 9 mph

7 PM

88°

Feels Like 88°

Humidity: 40%

UV Index: 1

Wind: 7 mph

8 PM

84°

Feels Like 82°

Humidity: 42%

UV Index: 0

Wind: 6 mph

9 PM

81°

Feels Like 79°

Humidity: 45%

UV Index: 0

Wind: 5 mph

10 PM

77°

Feels Like 75°

Humidity: 54%

UV Index: 0

Wind: 4 mph

11 PM

73°

Feels Like 72°

Humidity: 61%

UV Index: 0

Wind: 2 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.15 µg/m³
PM₁₀: 21.22 µg/m³
O₃: 0.040 ppm
NO₂: 0.1 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

4 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.2 µg/m³
PM₁₀: 21.45 µg/m³
O₃: 0.040 ppm
NO₂: 0.1 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

5 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.27 µg/m³
PM₁₀: 21.67 µg/m³
O₃: 0.040 ppm
NO₂: 0.1 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

6 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.37 µg/m³
PM₁₀: 21.9 µg/m³
O₃: 0.040 ppm
NO₂: 0.1 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

7 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.49 µg/m³
PM₁₀: 22.21 µg/m³
O₃: 0.040 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

8 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.63 µg/m³
PM₁₀: 22.64 µg/m³
O₃: 0.040 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

9 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.76 µg/m³
PM₁₀: 22.96 µg/m³
O₃: 0.040 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

10 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.91 µg/m³
PM₁₀: 23.4 µg/m³
O₃: 0.039 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

11 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.1 µg/m³
PM₁₀: 24.04 µg/m³
O₃: 0.039 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Corona

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 4 at 12:21PM PDT until August 8 at 8:00PM PDT by NWS San Diego CA

Aug 4, 12:21 PM → Aug 8, 8:00 PM

WHAT: High temperatures in the upper 90s to 105 expected.

WHERE: San Bernardino and Riverside County Valleys-The Inland
Empire.

WHEN: Until 8 PM PDT Saturday.

IMPACTS: Hot temperatures may cause heat illnesses.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Aug 4, 1:49 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Corona

Heat Advisory

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