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Tucson International Airport, Arizona

Large airport in Pima County, Arizona

Air quality

The air at Tucson International Airport

Index 39, good, led by ozone. Read at 9 PM from its reporting area, Tucson (AZ), 10 miles off.

39Good
  • Fine particles (PM2.5)24Good9.1 mi
  • Ozone39Good40 ppb6.9 mi
  • Coarse particles (PM10)31Good5.9 mi
  • Nitrogen dioxide2Good2 ppb6.9 mi
  • Sulfur dioxide0Good0 ppb12.4 mi
  • Carbon monoxide-0.2 ppm12.4 mi

The days ahead

Highest 56, moderate, Fri Oct 16, led by ozone. Yesterday measured 44, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at Tucson International Airport

None in the last 24 hours; 0.01 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.01in

Visibility

How far you can see at Tucson International Airport, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
TUS
ICAO
KTUS
IATA
TUS
Field elevation
2,643 ft
Serves
Tucson
Kind
Large airport
Scheduled service
Yes
Its own instrument
TUS
Wind now
From 110° at 6 mph, read 15 Oct, 20:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
04 / 227,000 ft150 ftAsphalt45° / 225°3 mph head, on 045 mph from the right
12 / 3010,996 ft150 ftAsphalt135° / 315°5 mph head, on 123 mph from the left
042212305,000 ftN110° 6 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Tucson INTL Airport (TUS), Tucson International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

76 F at 8 PM; 83 F at its warmest, 3 PM, and 50 F at its coolest, 4 AM.

Now
76F
8 PM
Highest
83F
3 PM
Lowest
50F
4 AM
Temperature and Dew point at Tucson INTL Airport, temperature from 50.0 to 83.0, the latest 76.0; dew point from 35.0 to 43.0, the latest 40.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 40 F, the air 27% saturated; the humidity ran from 23% at 5 PM to 66% at 4 AM.

Dew point now
40F
8 PM
Humidity now
27%
Humidity, range
23 to 66%
Relative humidity at Tucson INTL Airport, relative humidity from 23 to 66, the latest 27, in per cent.RELATIVE HUMIDITY%20406080Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

Set aside: the gust read 28 mph in 9 reports in a row from 11 AM Wednesday, the mark of a sensor that has stuck, so none of that day's wind is counted.

Now
-
Strongest
-
Highest gust
-
Wind and Gust at Tucson INTL Airport, wind from 2 to 12, the latest 5; gust from 17 to 21, the latest 21, in miles an hour.WIND AND GUSTmph0510152025Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Tucson INTL Airport, wind direction from 20 to 360, the latest 110, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.01 inHg at 8 PM, rising 0.06 inHg over 3 hours; 0.07 inHg lower than a day before.

Now
30.01inHg
8 PM
3 hours
+0.06inHg
rising
24 hours
-0.07inHg
Pressure, altimeter at Tucson INTL Airport, pressure, altimeter from 29.95 to 30.08, the latest 30.01, in inches of mercury.PRESSURE, ALTIMETERinHg29.9530.0030.0530.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Tucson INTL Airport, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Tucson INTL Airport: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest Tucson International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

Tucson INTL AirportTUS

At an airfield/0.4 mi away/2,556 ft/87 ft below here

temp, wind, gust, visibility, precip, pressure

Tucson 11 W53131

At a climate reference station/15.2 mi away/2,733 ft/90 ft above here

temp, humidity, wind, solar, precip

Saguaro RAWSQSGA3

A remote fire weather station/15.7 mi away/2,831 ft/188 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Tucson 5.4 SSWAZ-PM-381

In a volunteer observer's own ground/2.1 mi away/2,553 ft/90 ft below here

precip, snowfall, snow depth

Vail 7NVALA3

At a cooperative observer's station/12.5 mi away/2,980 ft/337 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Arizona

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

Near Tucson International Airport

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

Near Tucson International Airport