Today | Weather | Sunday, September 21, 2025

Weather in Fairfield, California

08:53 PM
Now
Night
73° F
Feels Like 70°
Precipitation 0 %
Wind 9 mph
Humidity 59 %
Today
Night
Day 88°
Night 57°
Precipitation 0 %
Wind 13

Fairfield Weather Forecast Updated

35 minutes ago
Last updated on

Air quality in Fairfield

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

Pollutant Concentrations:

PM2.5 9.35 µg/m³
PM10 9.92 µg/m³
O₃ 26.26 ppb
NO₂ 10.29 ppb
SO₂ 0.93 ppb
CO 190.52 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors