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La Union, New Mexico

Community in Doña Ana County, New Mexico

Air quality

The air at La Union

Index 514, hazardous, led by coarse particles. Read at 12 AM from its reporting area, Dona Ana County (NM), 3 miles off.

514Hazardous
  • Fine particles (PM2.5)130Unhealthy for sensitive groups11.3 mi
  • Ozone38Good32 ppb11.3 mi
  • Coarse particles (PM10)514Hazardous11.5 mi
  • Nitrogen dioxide1Good1 ppb11.3 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 34, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at La Union

None in the last 3 days, to Thu 11 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 Union, the next 43 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

On the radar over La Union, New MexicoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest La Union, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now3 instruments

Santa TeresaDNA

At an airfield/5.4 mi away/4,098 ft/299 ft above here

temp, wind, gust, visibility, precip, pressure

Rank562of 956

measured daily2 instruments

La Union 2.2 SENM-DA-309

In a volunteer observer's own ground/2.2 mi away/3,778 ft/21 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Santa Teresa, drawn

The nearest airport reporting now, 5.4 mi from La Union, New Mexico. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 1,900 ft, scattered at 4,000 ft; visibility 7 mi.

Section of the sky over Santa Teresa, height above the station to scale: scattered cloud with its base at 1,900 feet, scattered cloud with its base at 4,000 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DNAFIG. A THE SKY OVER SANTA TERESASECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 4,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYSCT 1,900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 7 MI0510TITLESanta Teresa, the skySTATION REPORT · ASOS DNATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DNA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

64.4 F with a dew point of 37.4 F, 37 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,100 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Santa Teresa: temperature 64.4 degrees Fahrenheit and dew point 37.4, 37 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,100 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DNAFIG. B THE AIR AT SANTA TERESATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,100 FT ABOVE THE STATION, AT 31.7 FLOWEST CLOUD REPORTED, SCT 1,900 FTTEMPERATURE 64.4 FDEW POINT 37.4 FSPREAD 27.0 FRELATIVE HUMIDITY 37 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 POINTTITLESanta Teresa, the airSTATION REPORT · ASOS DNATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DNA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (70 degrees) at 17 mph, gusting 32 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Santa Teresa, north up: blowing from 70 degrees, the east northeast, at 17 miles an hour, gusting 32; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DNAFIG. C THE WIND AT SANTA TERESAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 70°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE32GUST, 32 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESanta Teresa, the windSTATION REPORT · ASOS DNATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DNA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Santa Teresa, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Santa Teresa Airport (EPZN5), 5.8 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in New Mexico

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

Near La Union

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

Near La Union

River and lake gauges