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Gerald R. Ford International Airport, Michigan

Large airport in Kent County, Michigan

Air quality

The air at Gerald R. Ford International Airport

Index 38, good, led by fine particles. Read at 4 AM from its reporting area, Grand Rapids (MI), 12 miles off.

38Good
  • Fine particles (PM2.5)38Good10.5 mi
  • Ozone17Good15 ppb10.5 mi
  • Coarse particles (PM10)4Good10.5 mi
  • Nitrogen dioxide3Good3.6 ppb10.5 mi
  • Sulfur dioxide0Good0.2 ppb10.5 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 49, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Gerald R. Ford International Airport

0.24 in in the last 24 hours, and none in the 2 days before, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.24in

Visibility

How far you can see at Gerald R. Ford International Airport, the next 41 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 8 miles Fri 6 AM.

FriSat

Airfield

Code
GRR
ICAO
KGRR
IATA
GRR
Field elevation
794 ft
Serves
Grand Rapids
Kind
Large airport
Scheduled service
Yes
Its own instrument
GRR
Wind now
From 290° at 16 mph, read 16 Oct, 04:31

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
08L / 26R5,001 ft100 ftConcrete81° / 261°14 mph head, on 26R8 mph from the right
08R / 26L10,001 ft150 ftConcrete81° / 261°14 mph head, on 26L8 mph from the right
17 / 358,501 ft150 ftConcrete171° / 351°8 mph head, on 3514 mph from the left
08L26R08R26L17352,500 ftN290° 16 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 Grand Rapids (GRR), Gerald R. Ford International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

56 F at 4 AM; 62 F at its warmest, 12 AM, and 50 F at its coolest, 5 AM Thursday.

Now
56F
4 AM
Highest
62F
12 AM
Lowest
50F
5 AM Thursday
Temperature and Dew point at Grand Rapids, temperature from 50.0 to 62.3, the latest 56.1; dew point from 46.0 to 61.0, the latest 52.3, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF45505560656 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 52 F, the air 87% saturated; the humidity ran from 74% at 12 PM Thursday to 96% at 10 PM Thursday.

Dew point now
52F
4 AM
Humidity now
87%
Humidity, range
74 to 96%
Relative humidity at Grand Rapids, relative humidity from 74 to 96, the latest 87, in per cent.RELATIVE HUMIDITY%7080901006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

16 mph from the northwest at 4 AM; at its strongest 20 mph, 1 AM, with a gust of 37 mph at 1 AM.

Now
16mph
from the northwest
Strongest
20mph
1 AM
Highest gust
37mph
1 AM
Wind and Gust at Grand Rapids, wind from 6 to 20, the latest 16; gust from 16 to 37, the latest 28, in miles an hour.WIND AND GUSTmph0102030406 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Grand Rapids, wind direction from 70 to 310, the latest 310, 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

29.75 inHg at 4 AM, rising 0.07 inHg over 3 hours; 0.46 inHg lower than a day before.

Now
29.75inHg
4 AM
3 hours
+0.07inHg
rising
24 hours
-0.46inHg
Pressure, altimeter at Grand Rapids, pressure, altimeter from 29.67 to 30.21, the latest 29.75, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.2030.406 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 2 miles at 12 AM; 10 miles or more now.

Now
10+mi
Lowest
2mi
12 AM
Hours under a mile
0
Visibility at Grand Rapids, visibility from 2.0 to 10.0, the latest 10.0, 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 500 ft at 12 AM; a base was reported in 24 of the hours.

Lowest base now
1,000ft
Lowest in 24 hours
500ft
12 AM
Hours with a base reported
24
Lowest cloud base at Grand Rapids, lowest cloud base from 500 to 3,000, the latest 1,000, in feet.LOWEST CLOUD BASEft01,0002,0003,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFR

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

Precipitation

0.21 in measured in the gauge, the most, 0.10 in, in the hour to 9 PM Thursday.

Last 24 hours
0.21in
Wettest hour
0.10in
9 PM Thursday
Hours with some
13
Precipitation at Grand Rapids, precipitation from 0.00 to 0.10, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Grand Rapids: 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 Gerald R. Ford International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Grand RapidsGRR

At an airfield/0.1 mi away/787 ft/7 ft below here

temp, wind, gust, visibility, precip, pressure

I96Mm0457MC153

Beside a road/1.6 mi away/741 ft/53 ft below here

temp, pavement temp, wind, visibility, precip

RAWS - BradleyBDLM4

A remote fire weather station/18.8 mi away/764 ft/30 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Grand Rapids WFOGRRM4

At a cooperative observer's station/1.4 mi away/778 ft/16 ft below here

snowfall, snow depth, precip, high, low

Grand Rapids 8.0 ESEMI-KN-117

In a volunteer observer's own ground/2.7 mi away/722 ft/72 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Grand Rapids WFO (GRRM4), 1.4 miles from here, read 15 Oct, 23:59. measured daily

Elsewhere in Michigan

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

Near Gerald R. Ford International Airport

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

Near Gerald R. Ford International Airport