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Boise Air Terminal/Gowen Field, Idaho

Large airport in Ada County, Idaho

Air quality

The air at Boise Air Terminal/Gowen Field

Index 41, good, led by coarse particles. Read at 9 PM from its reporting area, Boise (ID), 5 miles off.

41Good
  • Fine particles (PM2.5)16Good-
  • Ozone35Good-
  • Coarse particles (PM10)41Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 28, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Boise Air Terminal/Gowen Field

None in the last 3 days, to Thu 8 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 Boise Air Terminal/Gowen Field, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

Airfield

Code
BOI
ICAO
KBOI
IATA
BOI
Field elevation
2,871 ft
Serves
Boise
Kind
Large airport
Scheduled service
Yes
Its own instrument
BOI
Wind now
From 120° at 7 mph, read 15 Oct, 20:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
10L / 28R10,000 ft150 ftAsphalt115° / 295°7 mph head, on 10L1 mph from the right
10R / 28L9,763 ft150 ftAsphalt115° / 295°7 mph head, on 10R1 mph from the right
10L28R10R28L5,000 ftN120° 7 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 Boise Municipal (BOI), Boise Air Terminal/Gowen Field's own instrument, measure by measure, on the field's own clock.

Temperature

56 F at 8 PM; 70 F at its warmest, 3 PM, and 40 F at its coolest, 6 AM.

Now
56F
8 PM
Highest
70F
3 PM
Lowest
40F
6 AM
Temperature and Dew point at Boise Municipal, temperature from 40.0 to 70.0, the latest 56.0; dew point from 30.0 to 36.0, the latest 30.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3040506070Oct 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 30 F, the air 37% saturated; the humidity ran from 23% at 4 PM to 73% at 6 AM.

Dew point now
30F
8 PM
Humidity now
37%
Humidity, range
23 to 73%
Relative humidity at Boise Municipal, relative humidity from 23 to 73, the latest 37, 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

5 mph from the east southeast at 9 PM; at its strongest 14 mph, 10 AM, with a gust of 21 mph at 10 AM.

Now
5mph
from the east southeast
Strongest
14mph
10 AM
Highest gust
21mph
10 AM
Wind and Gust at Boise Municipal, wind from 1 to 14, the latest 5; gust from 18 to 21, the latest 18, in miles an hour.WIND AND GUSTmph0510152025Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Boise Municipal, wind direction from 90 to 320, the latest 120, 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

30.52 inHg at 9 PM, rising 0.03 inHg over 3 hours; 0.25 inHg higher than a day before.

Now
30.52inHg
9 PM
3 hours
+0.03inHg
rising
24 hours
+0.25inHg
Pressure, altimeter at Boise Municipal, pressure, altimeter from 30.27 to 30.55, the latest 30.52, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.3030.4030.5030.60Oct 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 Boise Municipal, 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

Boise Municipal: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 7 instruments nearest Boise Air Terminal/Gowen Field, 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 now5 instruments

Boise MunicipalBOI

At an airfield/0.9 mi away/2,867 ft/4 ft below here

temp, wind, gust, visibility, precip, pressure

Boise - NRAWS 6LLEI1

At a river or reservoir gauge/0.6 mi away/2,862 ft/9 ft below here

temp, wind, gust, humidity, pressure

Orchard Range SiteS0674

At a soil climate station/20.2 mi away/3,200 ft/329 ft above here

temp, humidity, soil temp, soil moisture

Murphy 10 W04127

At a climate reference station/36.5 mi away/3,950 ft/1,079 ft above here

temp, humidity, wind, solar, precip

measured daily2 instruments

Boise NWS WfoBWOI1

At a cooperative observer's station/0.7 mi away/2,861 ft/10 ft below here

snowfall, snow depth, precip, high, low

Boise 2.1 SWID-AD-57

In a volunteer observer's own ground/2.4 mi away/2,778 ft/93 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Boise NWS Wfo (BWOI1), 0.7 miles from here, read 15 Oct, 19:00. measured daily

Elsewhere in Idaho

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

Near Boise Air Terminal/Gowen Field

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

Near Boise Air Terminal/Gowen Field