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Chuichu, Arizona

Community in Pinal County, Arizona

Air quality

The air at Chuichu

Index 157, unhealthy, led by coarse particles. Read at 9 AM from its reporting area, West Pinal (AZ), 12 miles off.

157Unhealthy
  • Fine particles (PM2.5)-17.1 mi
  • Ozone32Good34 ppb14.2 mi
  • Coarse particles (PM10)157Unhealthy9.1 mi

The days ahead

Highest 84, moderate, today, led by coarse particles. Yesterday measured 43, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 5 AM.

FriSatSun

Precipitation

What has fallen at Chuichu

None in the last 24 hours; 0.02 in over the last 3 days, to Fri 8 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Chuichu, the next 45 hours

Visibility stays 8 miles or more through Sun 5 AM, lowest 9 miles Sun 5 AM.

FriSatSun

On the radar over Chuichu, ArizonaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Chuichu, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.3 miles away.

measured now3 instruments

Casa Granda (AWOS)CGZ

At an airfield/14.0 mi away/1,463 ft/8 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

CoolidgeAZMET-AZ05

At a river or reservoir gauge/18.8 mi away/1,388 ft/67 ft below here

temp, wind, gust, humidity, pressure

Rank820of 1,869

measured daily2 instruments

Casa Grande 4.8 SWAZ-PN-18

In a volunteer observer's own ground/4.3 mi away/1,407 ft/48 ft below here

precip, snowfall, snow depth

Rank-

Robson RanchROBA3

On a farm or research station/10.1 mi away/1,473 ft/18 ft above here

snowfall, snow depth, precip, high, low

Rank758of 1,869

Station report

The weather at Citizen station GW1994, drawn

The nearest instrument reporting now, 10.1 mi from Chuichu, Arizona. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station GW1994, 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 GW1994FIG. C THE WIND AT CITIZEN STATION GW1994PLAN, 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 FORCE73TITLECitizen station GW1994, the windSTATION REPORT · CWOP GW1994TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-GW1994-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,491 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.34 inHg and the temperature at 53.7 F; the station's altimeter setting of 30.14 inHg means its barometer reads 28.55 inHg; it reports 72.0 F, 18.3 F warmer than standard.

Section from sea level of where Citizen station GW1994 stands in the atmosphere, height to scale: the station 1,491 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.34 inches of mercury, and temperature, 53.7 degrees Fahrenheit; the altimeter setting of 30.14 and the station pressure it means, 28.55.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1994FIG. D WHERE CITIZEN STATION GW1994 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION GW19945 PER CENT OF THE AIR BELOW IT1,491 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.34 inHgSTANDARD TEMPERATURE HERE53.7 FALTIMETER SETTING, REPORTED30.14 inHgITS BAROMETER READS28.55 inHgTEMPERATURE, REPORTED72.0 FTITLECitizen station GW1994, the columnSTATION REPORT · CWOP GW1994TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-GW1994-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 48 degrees above the horizon at 32.81 N, and the day is 11 h 13 min long. Level ground there takes 74 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW1994, angles true: on Oct 16 it stands 48 degrees above the horizon, against 81 at the June solstice, 57 at the equinoxes and 34 at the December solstice; the day is 11 h 13 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1994FIG. E THE SUN AT CITIZEN STATION GW1994ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 81°EQUINOXES 57°DECEMBER SOLSTICE 34°OCT 16, 48°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 13 MINLEVEL GROUND TAKES 74 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 32.81 N; THE SUN'S DECLINATION -9.1°TITLECitizen station GW1994, the sunSTATION REPORT · CWOP GW1994TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-GW1994-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station GW1994, in 4 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Arizona

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

Near Chuichu

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

Near Chuichu

River and lake gauges