Today | Weather | Thursday, January 8, 2026
Active Weather Warnings

Weather in Chino Hills, California

12:16 AM
Now
Night
48° F
Feels Like 45°
Precipitation 0 %
Wind 8 mph
Humidity 41 %
Today
Cloudy Weather
Day 64°
Night 46°
Precipitation 7 %
Wind 6 mph
UV Index (0 - 11+) 3

Chino Hills Weather Forecast Updated

52 minutes ago
Last updated on

Air Quality in Chino Hills

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.68 µg/m³
PM10 11.81 µg/m³
O3 0.043 ppm
NO2 1.4 ppb
SO2 0.3 ppb
CO 0.12 ppm
NH3 0.2 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)
PM2.53.68 µg/m³
PM1011.81 µg/m³
O384.48 µg/m³
NO22.62 µg/m³
SO20.9 µg/m³
CO141.14 µg/m³
NH30.2 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Chino Hills

Moderate Expected Likely

Wind Advisory

Wind Advisory issued January 7 at 7:25PM PST until January 10 at 1:00PM PST by NWS San Diego CA
Jan 8, 10:00 AM Jan 10, 1:00 PM
WHAT: North winds 15 to 25 mph with gusts 35 to 45 mph expected,
local gusts to 50 mph possible directly below the Cajon Pass.
Strongest winds are expected Thursday night into Friday.

WHERE: San Bernardino and Riverside County Valleys-The Inland
Empire.

WHEN: From 10 AM Thursday to 1 PM PST Saturday.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Use
caution if driving along the 210, 66, and I-10 directly below the
Cajon Pass.

ADDITIONAL DETAILS: Wind direction will become more northeasterly
Friday night into Saturday, with gusty winds expected below the
San Gorgonio Pass in addition to below the Cajon Pass.
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Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Jan 7, 11:23 PM Source: NWS Alert