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Chisholm, Maine

Community in Franklin County, Maine

Air quality

The air at Chisholm

Index 31, good, led by fine particles. Read at 1 AM from its reporting area, Western Interior (ME), 28 miles off.

31Good
  • Fine particles (PM2.5)31Good18.1 mi
  • Ozone6Good-
  • Coarse particles (PM10)9Good18.1 mi
  • Sulfur dioxide0Good0.2 ppb18.1 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Chisholm

None in the last 24 hours; 1.60 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.60in

Visibility

How far you can see at Chisholm, the next 43 hours

Fog: visibility falls to 0.6 miles Fri 1 PM, under a mile for 3 hours.

FriSat

On the radar over Chisholm, MaineReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Chisholm, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now4 instruments

HartfordHRTM1

At a river or reservoir gauge/9.8 mi away/712 ft/175 ft above here

temp, wind, gust, humidity, pressure

Rank82of 422

MaineDoT - Richmond 2020ME018

Beside a road/29.8 mi away/161 ft/376 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Livermore 6.7 NNEME-AN-27

In a volunteer observer's own ground/1.3 mi away/302 ft/235 ft below here

precip, snowfall, snow depth

Rank-

HartfordHRTM1

At a cooperative observer's station/9.8 mi away/712 ft/175 ft above here

snowfall, snow depth, precip, high, low

Rank68of 422

Station report

The weather at Augusta State Arpt, drawn

The nearest airport reporting now, 22.6 mi from Chisholm, Maine. From its report of Oct 16, 2026, 1:53 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 Augusta State Arpt, 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 AUGFIG. A THE SKY OVER AUGUSTA STATE ARPTSECTION, 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 MORE0510TITLEAugusta State Arpt, the skySTATION REPORT · ASOS AUGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AUG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

38.0 F with a dew point of 35.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Augusta State Arpt: temperature 38.0 degrees Fahrenheit and dew point 35.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AUGFIG. B THE AIR AT AUGUSTA STATE ARPTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 700 FT ABOVE THE STATION, AT 34.3 FTEMPERATURE 38.0 FDEW POINT 35.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 POINTTITLEAugusta State Arpt, the airSTATION REPORT · ASOS AUGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AUG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Augusta State Arpt, 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 AUGFIG. C THE WIND AT AUGUSTA STATE ARPTPLAN, 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 FORCE73TITLEAugusta State Arpt, the windSTATION REPORT · ASOS AUGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AUG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Augusta State Arpt, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Hartford (HRTM1), 9.8 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Maine

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

Near Chisholm

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

Near Chisholm

River and lake gauges