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La Palma, California

City in Orange County, California

Air quality

The air at La Palma

Index 36, good, led by ozone. Read at 8 PM from its reporting area, Central Orange (CA), 5 miles off.

36Good
  • Fine particles (PM2.5)12Good6 mi
  • Ozone36Good40 ppb6 mi
  • Coarse particles (PM10)28Good6 mi
  • Nitrogen dioxide4Good4 ppb6 mi
  • Sulfur dioxide0Good0.4 ppb18.4 mi
  • Carbon monoxide-0.2 ppm7.3 mi

The days ahead

Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 44, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at La Palma

None in the last 3 days, to Thu 8 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 La Palma, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over La Palma, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest La Palma, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

measured daily2 instruments

La Palma 0.6 WNWCA-OR-67

In a volunteer observer's own ground/0.6 mi away/61 ft/10 ft above here

precip, snowfall, snow depth

Rank-

AnaheimANAC1

At a cooperative observer's station/11.4 mi away/236 ft/185 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fullerton Municipal, drawn

The nearest airport reporting now, 3.7 mi from La Palma, California. From its report of Oct 15, 2026, 8:53 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 Fullerton Municipal, 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 FULFIG. A THE SKY OVER FULLERTON MUNICIPALSECTION, 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 MORE0510TITLEFullerton Municipal, the skySTATION REPORT · ASOS FULTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FUL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

86.0 F with a dew point of 35.0 F, 16 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 Fullerton Municipal: temperature 86.0 degrees Fahrenheit and dew point 35.0, 16 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 FULFIG. B THE AIR AT FULLERTON MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00010 F30 F50 F70 F90 FSATURATES 11,500 FT ABOVE THE STATION, AT 24.7 FTEMPERATURE 86.0 FDEW POINT 35.0 FSPREAD 51.0 FRELATIVE HUMIDITY 16 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 POINTTITLEFullerton Municipal, the airSTATION REPORT · ASOS FULTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FUL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (70 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at Fullerton Municipal, north up: blowing from 70 degrees, the east northeast, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FULFIG. C THE WIND AT FULLERTON MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 70°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFullerton Municipal, the windSTATION REPORT · ASOS FULTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FUL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fullerton Municipal, 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 La Palma

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

Near La Palma

River and lake gauges