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Chino Hills, California

City in San Bernardino County, California

Air quality

The air at Chino Hills

Index 31, good, led by ozone. Read at 5 AM from its reporting area, North Orange CO (CA), 12 miles off.

31Good
  • Fine particles (PM2.5)-13.1 mi
  • Ozone31Good35 ppb13.1 mi
  • Coarse particles (PM10)-13.1 mi
  • Nitrogen dioxide2Good2.8 ppb6.8 mi
  • Sulfur dioxide0Good0.1 ppb15.5 mi
  • Carbon monoxide-0.1 ppm12.7 mi

The days ahead

Moderate each day through Today, led by coarse particles. Yesterday measured 47, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Chino Hills

None in the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Chino Hills, the next 43 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

On the radar over Chino Hills, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Chino Hills, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.9 miles away.

measured now4 instruments

measured daily2 instruments

Chino 4.2 SECA-SR-95

In a volunteer observer's own ground/4.8 mi away/573 ft/172 ft below here

precip, snowfall, snow depth

Rank-

AnaheimANAC1

At a cooperative observer's station/10.3 mi away/236 ft/509 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chino Airport, drawn

The nearest airport reporting now, 5.0 mi from Chino Hills, California. From its report of Oct 16, 2026, 4:53 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Chino Airport, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CNOFIG. A THE SKY OVER CHINO AIRPORTSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEChino Airport, the skySTATION REPORT · ASOS CNOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CNO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

79.0 F with a dew point of 38.0 F, 23 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 9,300 ft up.

Chart of the air at Chino Airport: temperature 79.0 degrees Fahrenheit and dew point 38.0, 23 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 9,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CNOFIG. B THE AIR AT CHINO AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00020 F40 F60 F80 FSATURATES 9,300 FT ABOVE THE STATION, AT 29.5 FTEMPERATURE 79.0 FDEW POINT 38.0 FSPREAD 41.0 FRELATIVE HUMIDITY 23 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEChino Airport, the airSTATION REPORT · ASOS CNOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CNO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 16 mph, gusting 36 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 38 mph.

Plan of the wind at Chino Airport, north up: blowing from 40 degrees, the northeast, at 16 miles an hour, gusting 36; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CNOFIG. C THE WIND AT CHINO AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE32GUST, 36 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChino Airport, the windSTATION REPORT · ASOS CNOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CNO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Chino Airport, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Chino Hills

The nearest places, each with its own forecast and the instruments nearest it.

Near Chino Hills

River and lake gauges