Hourly Weather | Today Thursday, February 5, 2026
Fairfield, California
7 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 76%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 81%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 86%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
144 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 52.85 µg/m³
  • PM10: 60.37 µg/m³
  • O3: 0.047 ppm
  • NO2: 11.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.36 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

8 PM
143 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 52.46 µg/m³
  • PM10: 59.96 µg/m³
  • O3: 0.043 ppm
  • NO2: 11.3 ppb
  • SO2: 1 ppb
  • CO: 0.37 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

9 PM
140 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 51.36 µg/m³
  • PM10: 58.93 µg/m³
  • O3: 0.040 ppm
  • NO2: 10.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.37 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

10 PM
136 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 49.82 µg/m³
  • PM10: 57.48 µg/m³
  • O3: 0.039 ppm
  • NO2: 9.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.36 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

11 PM
128 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 46.58 µg/m³
  • PM10: 54.08 µg/m³
  • O3: 0.041 ppm
  • NO2: 8.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.34 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.