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Trabuco Canyon, California

Community in Orange County, California

Air quality

The air at Trabuco Canyon

Index 38, good, led by ozone. Read at 1 PM from its reporting area, Saddleback Vly (CA), 6 miles off.

38Good
  • Fine particles (PM2.5)21Good6.2 mi
  • Ozone38Good44 ppb6.2 mi
  • Coarse particles (PM10)33Good6.2 mi
  • Nitrogen dioxide1Good1.5 ppb14.3 mi
  • Sulfur dioxide0Good0 ppb24.6 mi
  • Carbon monoxide-0.2 ppm22 mi

The days ahead

Highest 65, moderate, today, led by coarse particles. Yesterday measured 43, good.

Smoke, the next 41 hours

Little smoke near the ground through Sun 5 AM: the index from smoke stays at 28 or under.

FriSatSun

Precipitation

What has fallen at Trabuco Canyon

None in the last 3 days, to Fri 12 PM. 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 Trabuco Canyon, the next 41 hours

Visibility stays 10 miles or more through Sun 5 AM.

FriSatSun

On the radar over Trabuco Canyon, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Trabuco Canyon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now5 instruments

CoronaAJO

At an airfield/15.6 mi away/533 ft/731 ft below here

temp, wind, gust, visibility, precip, pressure

Rank816of 4,465

measured daily2 instruments

Irvine RanchIVRC1

On a farm or research station/8.6 mi away/535 ft/729 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Corona, drawn

The nearest airport reporting now, 15.6 mi from Trabuco Canyon, California. From its report of Oct 16, 2026, 12:56 PM 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 Corona, 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 AJOFIG. A THE SKY OVER CORONASECTION, 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 MORE0510TITLECorona, the skySTATION REPORT · ASOS AJOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AJO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

93.0 F with a dew point of 42.0 F, 17 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 11,500 ft up.

Chart of the air at Corona: temperature 93.0 degrees Fahrenheit and dew point 42.0, 17 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 11,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AJOFIG. B THE AIR AT CORONATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00020 F40 F60 F80 F100 FSATURATES 11,500 FT ABOVE THE STATION, AT 31.5 FTEMPERATURE 93.0 FDEW POINT 42.0 FSPREAD 51.0 FRELATIVE HUMIDITY 17 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 POINTTITLECorona, the airSTATION REPORT · ASOS AJOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AJO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (20 degrees) at 15 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Corona, north up: blowing from 20 degrees, the north northeast, at 15 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AJOFIG. C THE WIND AT CORONAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 20°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECorona, the windSTATION REPORT · ASOS AJOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AJO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Corona, 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 Trabuco Canyon

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

Near Trabuco Canyon

River and lake gauges