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Salt Lake City International Airport, Utah

Large airport in Salt Lake County, Utah

Air quality

The air at Salt Lake City International Airport

Index 43, good, led by fine particles. Read at 3 AM from its reporting area, Salt Lake City (UT), 3 miles off.

43Good
  • Fine particles (PM2.5)43Good-
  • Ozone24Good-
  • Coarse particles (PM10)7Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 49, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 12 AM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Salt Lake City International Airport

None in the last 24 hours; 0.30 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.30in

Visibility

How far you can see at Salt Lake City International Airport, the next 46 hours

Visibility stays 10 miles or more through Sun 12 AM.

FriSat

Airfield

Code
SLC
ICAO
KSLC
IATA
SLC
Field elevation
4,227 ft
Serves
Salt Lake City
Kind
Large airport
Scheduled service
Yes
Its own instrument
SLC
Wind now
From 170° at 6 mph, read 16 Oct, 02:54

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
14 / 324,893 ft150 ftAsphalt153° / 333°6 mph head, on 142 mph from the right
16L / 34R12,002 ft150 ftAsphalt175° / 355°6 mph head, on 16L1 mph from the left
16R / 34L12,000 ft150 ftConcrete175° / 355°6 mph head, on 16R1 mph from the left
17 / 359,596 ft150 ftAsphalt180° / 0°6 mph head, on 171 mph from the left
143216L34R16R34L17355,000 ftN170° 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 Salt Lake City INTL (SLC), Salt Lake City International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

48 F at 2 AM; 63 F at its warmest, 3 PM Thursday, and 42 F at its coolest, 5 AM Thursday.

Now
48F
2 AM
Highest
63F
3 PM Thursday
Lowest
42F
5 AM Thursday
Temperature and Dew point at Salt Lake City INTL, temperature from 42.0 to 63.0, the latest 48.0; dew point from 36.0 to 44.0, the latest 38.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF30405060706 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 38 F, the air 68% saturated; the humidity ran from 46% at 2 PM Thursday to 86% at 7 AM Thursday.

Dew point now
38F
2 AM
Humidity now
68%
Humidity, range
46 to 86%
Relative humidity at Salt Lake City INTL, relative humidity from 46 to 86, the latest 68, in per cent.RELATIVE HUMIDITY%4050607080906 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

7 mph from the south southeast at 3 AM; at its strongest 10 mph, 4 PM Thursday, with a gust of 18 mph at 12 AM.

Now
7mph
from the south southeast
Strongest
10mph
4 PM Thursday
Highest gust
18mph
12 AM
Wind and Gust at Salt Lake City INTL, wind from 1 to 10, the latest 7; gust from 17 to 18, the latest 18, in miles an hour.WIND AND GUSTmph051015206 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Salt Lake City INTL, wind direction from 110 to 340, the latest 150, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Pressure

30.57 inHg at 3 AM, steady over 3 hours; 0.21 inHg higher than a day before.

Now
30.57inHg
3 AM
3 hours
+0.00inHg
steady
24 hours
+0.21inHg
Pressure, altimeter at Salt Lake City INTL, pressure, altimeter from 30.36 to 30.57, the latest 30.57, in inches of mercury.PRESSURE, ALTIMETERinHg30.3030.4030.5030.606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 7 miles at 3 AM; 7 miles now.

Now
7mi
Lowest
7mi
3 AM
Hours under a mile
0
Visibility at Salt Lake City INTL, visibility from 7.0 to 10.0, the latest 7.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 4,000 ft at 10 AM Thursday; a base was reported in 9 of the hours.

Lowest base now
-
Lowest in 24 hours
4,000ft
10 AM Thursday
Hours with a base reported
9
Lowest cloud base at Salt Lake City INTL, lowest cloud base from 4,000 to 18,000, the latest 6,500, in feet.LOWEST CLOUD BASEft05,00010,00015,00020,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

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

Salt Lake City INTL: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 6 instruments nearest Salt Lake City International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

Salt Lake City INTLSLC

At an airfield/0.8 mi away/4,226 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Salt Lake City WFO TestAIRU1

At a river or reservoir gauge/1.3 mi away/4,233 ft/6 ft above here

temp, wind, gust, humidity, pressure

I-215 at I-80UT215

Beside a road/2.2 mi away/4,252 ft/25 ft above here

temp, pavement temp, wind, visibility, precip

MorganS2133

At a soil climate station/21.2 mi away/5,113 ft/886 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Salt Lake City 1.3 WSWUT-SL-36

In a volunteer observer's own ground/1.8 mi away/4,228 ft/1 ft above here

precip, snowfall, snow depth

Salt Lake Triad CenterSLCU1

At a cooperative observer's station/4.5 mi away/4,331 ft/104 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Utah

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

Near Salt Lake City International Airport

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

Near Salt Lake City International Airport