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College Park Airport, Maryland

Small airport in Prince George's County, Maryland

Air quality

The air at College Park Airport

Index 14, good, led by ozone. Read at 11 PM from its reporting area, Suburban DC (MD), 5 miles off.

14Good
  • Fine particles (PM2.5)0Good13.7 mi
  • Ozone14Good8 ppb5.7 mi
  • Nitrogen dioxide4Good4.2 ppb5.7 mi
  • Sulfur dioxide0Good0 ppb5.7 mi
  • Carbon monoxide-0.1 ppm5.7 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 48, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at College Park Airport

None in the last 3 days, to Thu 10 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 College Park Airport, the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 7 PM.

FriSat

Airfield

Code
CGS
ICAO
KCGS
IATA
CGS
Field elevation
48 ft
Serves
College Park
Kind
Small airport
Scheduled service
No
Its own instrument
CGS
Wind now
Calm, read 15 Oct, 23:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
15 / 332,980 ft60 ftAsphalt139° / 319°CalmCalm
1533500 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

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

Every hour from College Park (CGS), College Park Airport's own instrument, measure by measure, on the field's own clock.

Temperature

61 F at 11 PM; 74 F at its warmest, 1 AM, and 61 F at its coolest, 9 PM.

Now
61F
11 PM
Highest
74F
1 AM
Lowest
61F
9 PM
Temperature and Dew point at College Park, temperature from 61.0 to 74.3, the latest 61.0; dew point from 51.4 to 69.7, the latest 58.3, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 58 F, the air 91% saturated; the humidity ran from 65% at 11 AM to 91% at 11 PM.

Dew point now
58F
11 PM
Humidity now
91%
Humidity, range
65 to 91%
Relative humidity at College Park, relative humidity from 65 to 91, the latest 91, in per cent.RELATIVE HUMIDITY%60708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 11 PM; at its strongest 8 mph, 5 AM, with a gust of 18 mph at 8 AM.

Now
0mph
calm
Strongest
8mph
5 AM
Highest gust
18mph
8 AM
Wind at College Park, wind from 0 to 8, the latest 0, in miles an hour.WINDmph02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at College Park, wind direction from 10 to 360, the latest 50, 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

30.12 inHg at 11 PM, falling 0.04 inHg over 3 hours; 0.11 inHg higher than a day before.

Now
30.12inHg
11 PM
3 hours
-0.04inHg
falling
24 hours
+0.11inHg
Pressure, altimeter at College Park, pressure, altimeter from 30.01 to 30.22, the latest 30.12, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.1030.2030.30Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 7 miles at 5 PM; 7 miles now.

Now
7mi
Lowest
7mi
5 PM
Hours under a mile
0
Visibility at College Park, visibility from 7.0 to 10.0, the latest 7.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 2,100 ft at 10 PM; a base was reported in 24 of the hours.

Lowest base now
2,800ft
Lowest in 24 hours
2,100ft
10 PM
Hours with a base reported
24
Lowest cloud base at College Park, lowest cloud base from 2,100 to 12,000, the latest 2,800, in feet.LOWEST CLOUD BASEft02,5005,0007,50010,00012,500Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

College Park: 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 College Park Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now4 instruments

College ParkCGS

At an airfield/0.0 mi away/48 ft/level with here

temp, wind, gust, visibility, precip, pressure

Powder MillS2049

At a soil climate station/4.6 mi away/105 ft/57 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Riverdale 0.1 SWMD-PG-107

In a volunteer observer's own ground/1.3 mi away/39 ft/9 ft below here

precip, snowfall, snow depth

BeltsvilleBTVM2

At a cooperative observer's station/4.2 mi away/138 ft/90 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Maryland

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

Near College Park Airport

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

Near College Park Airport