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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today | Monday, September 1, 2025
Heat Advisory (Issued when high temperatures and humidity create conditions that may be hazardous during outdoor activity or prolonged exposure.)
Fairfield, California
9 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
70°
Feels Like 70°
0
Humidity: 57%
Wind: 7 mph
UV Index: 23
10 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
77°
Feels Like 81°
0
Humidity: 43%
Wind: 6 mph
UV Index: 37
11 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
84°
Feels Like 90°
0
Humidity: 32%
Wind: 6 mph
UV Index: 49
12 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
91°
Feels Like 97°
0
Humidity: 26%
Wind: 6 mph
UV Index: 66
1 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
95°
Feels Like 100°
0
Humidity: 21%
Wind: 7 mph
UV Index: 73
2 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
99°
Feels Like 102°
0
Humidity: 17%
Wind: 8 mph
UV Index: 66
3 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
100°
Feels Like 102°
0
Humidity: 16%
Wind: 9 mph
UV Index: 49
4 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
102°
Feels Like 102°
0
Humidity: 16%
Wind: 10 mph
UV Index: 37
5 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
100°
Feels Like 99°
0
Humidity: 17%
Wind: 12 mph
UV Index: 23
6 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
99°
Feels Like 97°
0
Humidity: 19%
Wind: 10 mph
UV Index: 14
7 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
91°
Feels Like 90°
0
Humidity: 23%
Wind: 10 mph
UV Index: 4
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
88°
Feels Like 84°
0
Humidity: 28%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
82°
Feels Like 79°
0
Humidity: 34%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
79°
Feels Like 75°
0
Humidity: 39%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 73°
0
Humidity: 44%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.41 µg/m³
  • PM10: 10.18 µg/m³
  • O₃: 21.87 ppb
  • NO₂: 6.29 ppb
  • SO₂: 0.80 ppb
  • CO: 175.42 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 AM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.74 µg/m³
  • PM10: 9.70 µg/m³
  • O₃: 30.10 ppb
  • NO₂: 4.91 ppb
  • SO₂: 0.91 ppb
  • CO: 159.76 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 AM
45 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.41 µg/m³
  • PM10: 9.26 µg/m³
  • O₃: 38.34 ppb
  • NO₂: 3.52 ppb
  • SO₂: 1.03 ppb
  • CO: 144.09 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

12 PM
45 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.09 µg/m³
  • PM10: 8.71 µg/m³
  • O₃: 44.45 ppb
  • NO₂: 2.97 ppb
  • SO₂: 1.00 ppb
  • CO: 137.35 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

1 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.65 µg/m³
  • PM10: 8.14 µg/m³
  • O₃: 50.57 ppb
  • NO₂: 2.42 ppb
  • SO₂: 0.97 ppb
  • CO: 130.62 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

2 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.26 µg/m³
  • PM10: 7.72 µg/m³
  • O₃: 56.68 ppb
  • NO₂: 1.87 ppb
  • SO₂: 0.93 ppb
  • CO: 123.89 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

3 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.79 µg/m³
  • PM10: 7.28 µg/m³
  • O₃: 57.15 ppb
  • NO₂: 1.87 ppb
  • SO₂: 0.89 ppb
  • CO: 122.10 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
44 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.56 µg/m³
  • PM10: 7.05 µg/m³
  • O₃: 57.62 ppb
  • NO₂: 1.87 ppb
  • SO₂: 0.85 ppb
  • CO: 120.32 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
45 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.40 µg/m³
  • PM10: 6.93 µg/m³
  • O₃: 58.10 ppb
  • NO₂: 1.87 ppb
  • SO₂: 0.80 ppb
  • CO: 118.53 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.54 µg/m³
  • PM10: 7.11 µg/m³
  • O₃: 50.18 ppb
  • NO₂: 3.69 ppb
  • SO₂: 0.79 ppb
  • CO: 131.62 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
48 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.30 µg/m³
  • PM10: 7.94 µg/m³
  • O₃: 42.26 ppb
  • NO₂: 5.51 ppb
  • SO₂: 0.78 ppb
  • CO: 144.71 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.97 µg/m³
  • PM10: 8.63 µg/m³
  • O₃: 34.35 ppb
  • NO₂: 7.32 ppb
  • SO₂: 0.77 ppb
  • CO: 157.79 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 PM
45 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.36 µg/m³
  • PM10: 8.93 µg/m³
  • O₃: 28.26 ppb
  • NO₂: 8.56 ppb
  • SO₂: 0.78 ppb
  • CO: 165.26 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

Current Real-Time Air Quality Report