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Hourly Weather | Today › Tuesday, February 3, 2026
Active Weather Warnings
Fresno, California
6 PM
Foggy Weather
57°
Feels Like 57°
0
Humidity: 87%
Wind: 4 mph
UV Index: 0
7 PM
Foggy Weather
55°
Feels Like 54°
0
Humidity: 80%
Wind: 4 mph
UV Index: 0
8 PM
Foggy Weather
52°
Feels Like 52°
0
Humidity: 84%
Wind: 5 mph
UV Index: 0
9 PM
Foggy Weather
50°
Feels Like 48°
0
Humidity: 91%
Wind: 5 mph
UV Index: 0
10 PM
Foggy Weather
48°
Feels Like 46°
0
Humidity: 92%
Wind: 5 mph
UV Index: 0
11 PM
Foggy Weather
48°
Feels Like 46°
0
Humidity: 90%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 25.15 µg/m³
  • PM10: 29.73 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 27.27 µg/m³
  • PM10: 31.92 µg/m³
  • O3: 0.040 ppm
  • NO2: 4.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 28.31 µg/m³
  • PM10: 32.97 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 29.95 µg/m³
  • PM10: 34.76 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 31.97 µg/m³
  • PM10: 36.94 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 34.2 µg/m³
  • PM10: 39.21 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Fresno

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued February 3 at 12:48PM PST until February 5 at 12:00PM PST by NWS Hanford CA
Feb 3, 12:48 PM → Feb 5, 12:00 PM
WHAT: Visibility one quarter mile or less in dense fog. Worst
case scenario with visibility down to zero.

WHERE: A portion of central California.

WHEN: Until noon PST Thursday.

IMPACTS: Very high transportation risk. Low visibility will make
driving conditions hazardous.

ADDITIONAL DETAILS: Highways impacted include, but are not
limited to Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140,
152, 165, 180 and 198.
+ Read More
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Updated: Feb 3, 4:42 PM Source: NWS Alert