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Bell Canyon, California

Community in Ventura County, California

Air quality

The air at Bell Canyon

Index 38, good, led by ozone. Read at 3 AM from its reporting area, Simi Valley (CA), 9 miles off.

38Good
  • Fine particles (PM2.5)4Good5.3 mi
  • Ozone38Good41 ppb9 mi
  • Coarse particles (PM10)19Good5.3 mi
  • Nitrogen dioxide0Good0.9 ppb9 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 41, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Bell Canyon

None in the last 3 days, to Fri 2 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 Bell Canyon, the next 45 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Bell Canyon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now3 instruments

Simi ValleyCEEC1

At a river or reservoir gauge/2.2 mi away/1,335 ft/113 ft above here

temp, wind, gust, humidity, pressure

Rank921of 4,465

measured daily2 instruments

Woodland Hills 2.1 NWCA-LA-94

In a volunteer observer's own ground/3.3 mi away/852 ft/370 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Van Nuys Airport, drawn

The nearest airport reporting now, 11.4 mi from Bell Canyon, California. From its report of Oct 16, 2026, 2:51 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 Van Nuys 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 VNYFIG. A THE SKY OVER VAN NUYS 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 MORE0510TITLEVan Nuys Airport, the skySTATION REPORT · ASOS VNYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-VNY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

82.0 F with a dew point of 36.0 F, 19 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 10,400 ft up.

Chart of the air at Van Nuys Airport: temperature 82.0 degrees Fahrenheit and dew point 36.0, 19 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 10,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VNYFIG. B THE AIR AT VAN NUYS 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 10,400 FT ABOVE THE STATION, AT 26.6 FTEMPERATURE 82.0 FDEW POINT 36.0 FSPREAD 46.0 FRELATIVE HUMIDITY 19 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 POINTTITLEVan Nuys Airport, the airSTATION REPORT · ASOS VNYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-VNY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 14 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 33 mph.

Plan of the wind at Van Nuys Airport, north up: blowing from 40 degrees, the northeast, at 14 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VNYFIG. C THE WIND AT VAN NUYS 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, 14 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEVan Nuys Airport, the windSTATION REPORT · ASOS VNYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-VNY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Van Nuys 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 Bell Canyon

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

Near Bell Canyon

River and lake gauges