Today | Weather | Wednesday, February 25, 2026

Weather in Livermore, California

08:18 PM
Now
Cloudy Night
61° F
Feels Like 59°
Precipitation 0 %
Wind 6 mph
Humidity 81 %
Today
Cloudy Night
Day 68°
Night 52°
Precipitation 8 %
Wind 5 mph

Livermore Weather Forecast Updated

Last updated on

Air Quality in Livermore

NOW
28 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.07 µg/m³
PM10 9.72 µg/m³
O3 0.031 ppm
NO2 2.4 ppb
SO2 0.3 ppb
CO 0.13 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)
PM2.56.07 µg/m³
PM109.72 µg/m³
O360.11 µg/m³
NO24.46 µg/m³
SO20.8 µg/m³
CO146.66 µg/m³
NH30 µg/m³
NO0 µg/m³