44of 100

Today's score

Mosquitoes in Chino Hills, CA

San Bernardino County

Moderate risk

Mosquitoes are out, mostly around dawn and dusk. Use repellent in the evening and tip out any standing water around the yard.

Updated July 19, 2026

Season
Ramping up
Water/wetland
0%
Top species
Asian tiger mosquito

Right now

Latest reading
66°
Temperature
93%
Humidity
0.0"
Recent rain

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Know the evening before Chino Hills spikes.

7-day outlook

Risk recalculates daily from the local forecast.

Today
44
Mon
44
Tue
38
Wed
38
Thu
29
Fri
32
Sat
38

What's active right now

Floodwater and container mosquitoes are active and building toward the summer peak. Aedes vexans (the floodwater biter) surges about a week after heavy rain, and the Asian tiger mosquito is out biting during the day around homes. Early summer is when nuisance biting takes off.

Local mosquito habitat

Mosquitoes breed in standing water, so a town's risk tracks how much of that it holds. Chino Hills is 0% wetland and marsh, 0% open water, and 22% developed across its 44.65 sq mi, home to about 77,212 people. That makes it the 22nd-wettest of the 47 towns in San Bernardino County. Marshes and floodplains breed the floodwater and cattail mosquitoes; developed areas breed the house mosquito in storm-drain catch basins and backyard containers.

The single biggest thing a homeowner controls is standing water: empty anything that holds it, keep gutters clear, and change bird baths weekly. A licensed mosquito service handles the breeding sites you can't reach and treats the shady resting spots where adults wait out the day.

Mosquito control in Chino Hills, CA

Do I need mosquito control in Chino Hills?

Mosquito activity in Chino Hills is moderate today (44/100). Mosquitoes are out, especially at dawn and dusk and in shady, humid corners. A seasonal treatment plan keeps numbers down before peak weeks hit.

Professional mosquito control in Chino Hills usually pairs a barrier treatment, misted onto shrubs, tall grass, and shady borders where adults rest, with larval control that targets standing water and catch basins so new broods never hatch. Treatments are typically applied every three to four weeks through the season by a licensed company.

How much does mosquito control cost in Chino Hills?

Most homeowners pay about $80 to $150 per visit for professional mosquito barrier spraying, or roughly $350 to $600 for a full season of treatments, depending on lot size and how much shade and standing water the property has. Quotes are free, so it costs nothing to get a real number for your yard.

Get a free mosquito control quote

From a vetted local mosquito control company serving Chino Hills. No cost, no obligation.

Are mosquitoes bad in Chino Hills right now?

Floodwater and container mosquitoes are active and building toward the summer peak. In Chino Hills, today's mosquito risk reads moderate (44/100). Mosquitoes are out, mostly around dawn and dusk. Use repellent in the evening and tip out any standing water around the yard.

Nearby towns

Mosquito pressure is local. Check the towns around you.