Today | Weather | Saturday, November 1, 2025

Weather in Fairfield, California

03:58 PM

Now

79° F

Feels Like 79°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 2

Humidity 40 %

Today

Day 79°

Night 46°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 3

Fairfield Weather Forecast Updated

38 minutes ago

Last updated on November 01, 2025 3:19 PM

Weather Forecast History

Last Year's Weather on This Day (November 1, 2024)

Day

66°

Night

50°

Wind

8 mph

Precipitation

Air Quality in Fairfield

NOW

39 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.09 µg/m³

PM₁₀ 5.27 µg/m³

O₃ 0.042 ppm

NO₂ 0.8 ppb

SO₂ 0.3 ppb

CO 0.09 ppm

NH₃ 0.03 µg/m³

NO 0.18 µg/m³

PM_2.5 – 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)

PM_2.5 – 2.09 µg/m³

PM₁₀ – 5.27 µg/m³

O₃ – 83.16 µg/m³

NO₂ – 1.45 µg/m³

SO₂ – 0.75 µg/m³

CO – 98.4 µg/m³

NH₃ – 0.03 µg/m³

NO – 0.18 µg/m³

View Hourly Air Quality Forecast