Today | Weather | Saturday, August 8, 2026

Weather in Fairfield, California

11:25 PM
Now
Night
63° F
Feels Like 59°
Precipitation 0 %
Wind 13 mph
Humidity 77 %
Today
Night
Day 86°
Night 57°
Precipitation 0 %
Wind 12 mph

Fairfield Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 8, 2025)
Night

Day

97°

Night

63°

Wind

9 mph

Precipitation

0 %

Air Quality in Fairfield

NOW
36 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.56 µg/m³
PM10 20.2 µg/m³
O3 0.038 ppm
NO2 1.3 ppb
SO2 0.3 ppb
CO 0.08 ppm
NH3 0.02 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)
PM2.58.56 µg/m³
PM1020.2 µg/m³
O374.47 µg/m³
NO22.48 µg/m³
SO20.8 µg/m³
CO87.7 µg/m³
NH30.02 µg/m³
NO0 µg/m³