Today | Weather | Wednesday, January 7, 2026

Weather in Livermore, California

11:34 PM
Now
Cloudy Night
43° F
Feels Like 39°
Precipitation 0 %
Wind 6 mph
Humidity 56 %
Today
Cloudy Weather
Day 55°
Night 36°
Precipitation 3 %
Wind 9 mph
UV Index (0 - 11+) 3

Livermore Weather Forecast Updated

40 seconds ago
Last updated on

Air Quality in Livermore

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.05 µg/m³
PM10 5.87 µg/m³
O3 0.046 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.52.05 µg/m³
PM105.87 µg/m³
O390.05 µg/m³
NO20.42 µg/m³
SO20.21 µg/m³
CO127.68 µg/m³
NH30 µg/m³
NO0 µg/m³