Hourly Weather | Today Tuesday, November 4, 2025
Modesto, California
7 AM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 91%
Wind: 4 mph
UV Index: 0
8 AM
Cloudy Weather
54°
Feels Like 57°
0
Humidity: 86%
Wind: 4 mph
UV Index: 1
9 AM
Cloudy Weather
59°
Feels Like 63°
0
Humidity: 75%
Wind: 4 mph
UV Index: 2
10 AM
Sunny Weather
64°
Feels Like 70°
0
Humidity: 64%
Wind: 5 mph
UV Index: 2
11 AM
Sunny Weather
68°
Feels Like 72°
0
Humidity: 55%
Wind: 5 mph
UV Index: 3
12 PM
Sunny Weather
72°
Feels Like 75°
0
Humidity: 48%
Wind: 5 mph
UV Index: 3
1 PM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 44%
Wind: 6 mph
UV Index: 3
2 PM
Cloudy Weather
75°
Feels Like 77°
0
Humidity: 41%
Wind: 6 mph
UV Index: 2
3 PM
Cloudy Weather
77°
Feels Like 77°
0
Humidity: 39%
Wind: 7 mph
UV Index: 2
4 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 42%
Wind: 7 mph
UV Index: 1
5 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 46%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 53%
Wind: 5 mph
UV Index: 0
7 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 59%
Wind: 5 mph
UV Index: 0
8 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 65%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 71%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
59°
Feels Like 59°
0
Humidity: 75%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 76%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.84 µg/m³
  • PM10: 19.27 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

8 AM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.99 µg/m³
  • PM10: 19.5 µg/m³
  • O3: 0.022 ppm
  • NO2: 6 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

9 AM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.63 µg/m³
  • PM10: 19.12 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

10 AM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.79 µg/m³
  • PM10: 19.25 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.45 µg/m³
  • PM10: 11.42 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 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: 6.49 µg/m³
  • PM10: 10.73 µg/m³
  • O3: 0.051 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.17 µg/m³
  • PM10: 11.23 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.47 µg/m³
  • PM10: 11.38 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 11.17 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.26 µg/m³
  • PM10: 11.04 µg/m³
  • O3: 0.050 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.

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

Pollutant Concentrations:

  • PM2.5: 7.64 µg/m³
  • PM10: 11.55 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.68 µg/m³
  • PM10: 12.88 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.97 µg/m³
  • PM10: 14.49 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.39 µg/m³
  • PM10: 16.17 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.28 µg/m³
  • PM10: 18.27 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.74 µg/m³
  • PM10: 20.88 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.3 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.

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

Pollutant Concentrations:

  • PM2.5: 18.66 µg/m³
  • PM10: 23.73 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.8 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.