Hourly Weather | Today Thursday, February 5, 2026
Livermore, California
7 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 74%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 82%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 78%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 79%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 34.83 µg/m³
  • PM10: 38.35 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

8 PM
98 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 34.61 µg/m³
  • PM10: 37.84 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 34.15 µg/m³
  • PM10: 37.07 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 35.06 µg/m³
  • PM10: 38.04 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 35.82 µg/m³
  • PM10: 39.45 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.28 ppm

Health Recommendations:

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