Today | Weather | Wednesday, October 1, 2025

Weather in Chico, California

10:01 AM

Now

63° F

Feels Like 59°

Precipitation 51 %

Wind 9 mph

UV Index (0 - 11+) 6

Humidity 76 %

Today

Day 72°

Night 59°

Precipitation 84 %

Wind 9 mph

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Chico Weather Forecast Updated

49 minutes ago

Last updated on October 01, 2025 9:12 AM

Air quality in Chico

NOW

23 AQI

Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.37 µg/m³

PM10 9.06 µg/m³

O₃ 30.08 ppb

NO₂ 3.80 ppb

SO₂ 0.67 ppb

CO 131.80 ppb

PM_2.5 – 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

View Hourly Air Quality Forecast