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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Saturday, May 16, 2026
Active Weather Warnings
Fresno, California
7 AM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 58%
UV Index: 1
Wind: 12 mph
8 AM
Cloudy Weather
61°
Feels Like 57°
0
Humidity: 52%
UV Index: 2
Wind: 14 mph
9 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 39%
UV Index: 3
Wind: 15 mph
10 AM
Sunny Weather
72°
Feels Like 72°
0
Humidity: 31%
UV Index: 5
Wind: 15 mph
11 AM
Sunny Weather
75°
Feels Like 77°
0
Humidity: 27%
UV Index: 7
Wind: 15 mph
12 PM
Sunny Weather
79°
Feels Like 81°
0
Humidity: 24%
UV Index: 10
Wind: 15 mph
1 PM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 23%
UV Index: 11
Wind: 16 mph
2 PM
Sunny Weather
82°
Feels Like 84°
0
Humidity: 21%
UV Index: 10
Wind: 15 mph
3 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 21%
UV Index: 7
Wind: 16 mph
4 PM
Cloudy Weather
84°
Feels Like 84°
0
Humidity: 20%
UV Index: 5
Wind: 17 mph
5 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 20%
UV Index: 3
Wind: 17 mph
6 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 21%
UV Index: 2
Wind: 16 mph
7 PM
Cloudy Weather
81°
Feels Like 77°
0
Humidity: 22%
UV Index: 1
Wind: 14 mph
8 PM
Cloudy Weather
79°
Feels Like 73°
0
Humidity: 24%
UV Index: 0
Wind: 15 mph
9 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 29%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Night
72°
Feels Like 68°
0
Humidity: 34%
UV Index: 0
Wind: 15 mph
11 PM
Cloudy Night
70°
Feels Like 64°
0
Humidity: 40%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 5.79 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 5.86 µg/m³
  • O3: 0.038 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 5.97 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.42 µg/m³
  • PM10: 6.03 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.57 µg/m³
  • PM10: 6.1 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

12 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.65 µg/m³
  • PM10: 6 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.58 µg/m³
  • PM10: 5.62 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.2 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.

2 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.56 µg/m³
  • PM10: 5.39 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 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.

3 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.58 µg/m³
  • PM10: 5.33 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 5.38 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 5.5 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 5.68 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.6 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.

8 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.86 µg/m³
  • PM10: 5.95 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.81 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 6.25 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 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 Fresno

Severe Future Possible

Fire Weather Watch

Fire Weather Watch issued May 15 at 3:39AM PDT until May 18 at 8:00PM PDT by NWS Hanford CA
May 16, 5:00 AM → May 18, 8:00 PM
* AFFECTED AREA...Fire weather zone 579 West Side Hills on the
Coastal Range. Fire weather zone 580 San Joaquin Valley.

* WIND...GUSTING TO 35 MPH SATURDAY AND SUNDAY

* HUMIDITY...20% OR LESS SATURDAY AND SUNDAY THEN 15% OR LESS
MONDAY

* HIGHEST THREAT...FAST-MOVING GRASS FIRES

IMPACTS: any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
+ Read More
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Updated: May 15, 11:01 AM Source: NWS Alert
Severe Expected Likely

Red Flag Warning

Red Flag Warning issued May 16 at 3:57AM PDT until May 18 at 8:00PM PDT by NWS Hanford CA
May 16, 5:00 AM → May 18, 8:00 PM
* AFFECTED AREA...Fire weather zone 579 West Side Hills on the
Coastal Range. Fire weather zone 580 San Joaquin Valley.

* WIND...GUSTING TO 35 MPH SATURDAY AND SUNDAY.

* HUMIDITY...20% OR LESS SATURDAY AND SUNDAY THEN 15% OR LESS
MONDAY

* HIGHEST THREAT...FAST-MOVING GRASS FIRES

IMPACTS: Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Updated: May 16, 4:50 AM Source: NWS Alert

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