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Bloomington, California

Community in San Bernardino County, California

Air quality

The air at Bloomington

Index 41, good, led by coarse particles. Read at 10 PM from its reporting area, C San Bernardino (CA), 4 miles off.

41Good
  • Fine particles (PM2.5)28Good4.3 mi
  • Ozone35Good40 ppb4.3 mi
  • Coarse particles (PM10)41Good4.3 mi
  • Nitrogen dioxide5Good5.8 ppb4.3 mi
  • Sulfur dioxide0Good0 ppb4.3 mi
  • Carbon monoxide-0.1 ppm4.3 mi

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 43, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 5 PM.

SatSun

Precipitation

What has fallen at Bloomington

None in the last 3 days, to Fri 10 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 Bloomington, the next 43 hours

Visibility stays 10 miles or more through Sun 5 PM.

SatSun

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

What is measuring near here

The 6 instruments nearest Bloomington, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.8 miles away.

measured now4 instruments

I-15 : Jurupa AvenueCF174

Beside a road/8.5 mi away/908 ft/164 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Colton 1.9 NWCA-SR-57

In a volunteer observer's own ground/3.7 mi away/1,066 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Riverside Fire STN #3REVC1

At a cooperative observer's station/7.7 mi away/850 ft/222 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Riverside Municipal, drawn

The nearest airport reporting now, 8.0 mi from Bloomington, California. From its report of Oct 16, 2026, 10:53 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 Riverside 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 RALFIG. A THE SKY OVER RIVERSIDE 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 MORE0510TITLERiverside Municipal, the skySTATION REPORT · ASOS RALTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-RAL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

77.0 F with a dew point of 42.0 F, 29 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,900 ft up.

Chart of the air at Riverside Municipal: temperature 77.0 degrees Fahrenheit and dew point 42.0, 29 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RALFIG. B THE AIR AT RIVERSIDE 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 STATION02,0004,0006,0008,00010,00020 F40 F60 F80 FSATURATES 7,900 FT ABOVE THE STATION, AT 34.6 FTEMPERATURE 77.0 FDEW POINT 42.0 FSPREAD 35.0 FRELATIVE HUMIDITY 29 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 POINTTITLERiverside Municipal, the airSTATION REPORT · ASOS RALTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-RAL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Riverside Municipal, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RALFIG. C THE WIND AT RIVERSIDE MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERiverside Municipal, the windSTATION REPORT · ASOS RALTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-RAL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Riverside 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 Bloomington

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

Near Bloomington

River and lake gauges