49of 100

Today's score

Mosquitoes in Chino, CA

San Bernardino County

High risk

Mosquitoes are active and biting. Use repellent, cover up at dawn and dusk, and clear any standing water around the yard.

Updated July 19, 2026

Season
Ramping up
Water/wetland
1%
Top species
Asian tiger mosquito

Right now

Latest reading
67°
Temperature
88%
Humidity
0.0"
Recent rain

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Know the evening before Chino spikes.

7-day outlook

Risk recalculates daily from the local forecast.

Today
49
Mon
49
Tue
36
Wed
33
Thu
19
Fri
24
Sat
32

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 is 0% wetland and marsh, 1% open water, and 44% developed across its 29.57 sq mi, home to about 93,114 people. That makes it the 7th-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, CA

Do I need mosquito control in Chino?

Mosquito activity in Chino is moderate today (49/100). 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 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?

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. No cost, no obligation.

Are mosquitoes bad in Chino right now?

Floodwater and container mosquitoes are active and building toward the summer peak. In Chino, today's mosquito risk reads high (49/100). Mosquitoes are active and biting. Use repellent, cover up at dawn and dusk, and clear any standing water around the yard.

Nearby towns

Mosquito pressure is local. Check the towns around you.