Hourly Weather | Today Monday, August 24, 2026
Active Weather Warnings
Fresno, California
4 PM
Cloudy Weather
102°
Feels Like 106°
0
Humidity: 17%
UV Index: 4
Wind: 6 mph
5 PM
Cloudy Weather
102°
Feels Like 104°
0
Humidity: 17%
UV Index: 3
Wind: 6 mph
6 PM
Cloudy Weather
102°
Feels Like 102°
0
Humidity: 18%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
100°
Feels Like 99°
0
Humidity: 20%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
97°
Feels Like 93°
0
Humidity: 22%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
93°
Feels Like 90°
0
Humidity: 25%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
88°
Feels Like 86°
0
Humidity: 29%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
84°
Feels Like 81°
0
Humidity: 33%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.95 µg/m³
  • PM10: 11.46 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.11 µg/m³
  • PM10: 9.63 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.75 µg/m³
  • PM10: 9.58 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.13 µg/m³
  • PM10: 11.57 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 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: 10.01 µg/m³
  • PM10: 13.9 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.41 µg/m³
  • PM10: 15.49 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.7 µg/m³
  • PM10: 16.92 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 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
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.06 µg/m³
  • PM10: 18.42 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 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.

Weather Alerts and Warnings for Fresno

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 24 at 2:00PM PDT until August 26 at 11:00PM PDT by NWS Hanford CA
Aug 24, 2:00 PM Aug 26, 11:00 PM
WHAT: High temperatures up to 104 degrees expected. Moderate to
Major Heat Risk is expected at this time.

WHERE: Southern San Joaquin Valley and West Side Hills of the
Coastal Range.

WHEN: Until 11 PM PDT Wednesday.

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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Aug 24, 2:46 PM Source: NWS Alert