Hourly Weather | Today Saturday, August 29, 2026
Tracy, California
3 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 70%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 75%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 71%
UV Index: 0
Wind: 5 mph
8 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 62%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 53%
UV Index: 2
Wind: 6 mph
10 AM
Sunny Weather
75°
Feels Like 79°
0
Humidity: 43%
UV Index: 4
Wind: 7 mph
11 AM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 36%
UV Index: 5
Wind: 8 mph
12 PM
Sunny Weather
84°
Feels Like 88°
0
Humidity: 31%
UV Index: 7
Wind: 9 mph
1 PM
Sunny Weather
86°
Feels Like 90°
0
Humidity: 27%
UV Index: 8
Wind: 12 mph
2 PM
Sunny Weather
90°
Feels Like 91°
0
Humidity: 24%
UV Index: 7
Wind: 13 mph
3 PM
Sunny Weather
88°
Feels Like 90°
0
Humidity: 25%
UV Index: 5
Wind: 14 mph
4 PM
Sunny Weather
88°
Feels Like 86°
0
Humidity: 26%
UV Index: 4
Wind: 15 mph
5 PM
Sunny Weather
84°
Feels Like 82°
0
Humidity: 29%
UV Index: 2
Wind: 15 mph
6 PM
Sunny Weather
82°
Feels Like 81°
0
Humidity: 31%
UV Index: 1
Wind: 15 mph
7 PM
Sunny Weather
77°
Feels Like 73°
0
Humidity: 37%
UV Index: 0
Wind: 13 mph
8 PM
Night
73°
Feels Like 72°
0
Humidity: 41%
UV Index: 0
Wind: 12 mph
9 PM
Night
72°
Feels Like 68°
0
Humidity: 44%
UV Index: 0
Wind: 10 mph
10 PM
Night
70°
Feels Like 66°
0
Humidity: 48%
UV Index: 0
Wind: 9 mph
11 PM
Night
66°
Feels Like 64°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 9.2 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.9 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 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 9.64 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.8 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 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.01 µg/m³
  • PM10: 9.93 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.7 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 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 9.89 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.7 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 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 9.73 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.7 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 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 9.67 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 9.28 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 9.15 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 9.25 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 9.09 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 9.35 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 9.64 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 10.03 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.01 µg/m³
  • PM10: 10.39 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 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: 3.09 µg/m³
  • PM10: 10.62 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 10.86 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 11.17 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.37 µg/m³
  • PM10: 11.42 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.5 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
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.39 µg/m³
  • PM10: 11.45 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.38 µg/m³
  • PM10: 11.42 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.38 µg/m³
  • PM10: 11.44 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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