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Herlong Airport, Florida

Small airport in Duval County, Florida

Air quality

The air at Herlong Airport

Index 55, moderate, led by fine particles. Read at 10 PM from its reporting area, Jacksonville (FL), 10 miles off.

55Moderate
  • Fine particles (PM2.5)55Moderate11.7 mi
  • Ozone20Good12 ppb7 mi
  • Coarse particles (PM10)21Good11.7 mi
  • Nitrogen dioxide3Good3.3 ppb11.7 mi
  • Sulfur dioxide0Good0.7 ppb11.7 mi
  • Carbon monoxide-0.3 ppm12.2 mi

The days ahead

Highest moderate, today, led by ozone. Yesterday measured 46, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 2 PM: the index from smoke stays at 50 or under.

FriSat

Precipitation

What has fallen at Herlong Airport

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Herlong Airport, the next 41 hours

Dense fog: visibility falls to 0 miles Fri 6 AM, under a mile for 4 hours.

FriSat

Airfield

Code
HEG
ICAO
KHEG
IATA
-
Field elevation
87 ft
Serves
Jacksonville
Kind
Small airport
Scheduled service
No
Its own instrument
HEG
Wind now
Calm, read 15 Oct, 22:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
07 / 254,001 ft100 ftAsphalt65° / 245°CalmCalm
11 / 293,500 ft100 ftAsphalt110° / 290°CalmCalm
072511292,000 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

What is measuring near here

The 4 instruments nearest Herlong 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 now2 instruments

Jacksonville - HerlongHEG

At an airfield/0.0 mi away/82 ft/5 ft below here

temp, wind, gust, visibility, precip, pressure

Olustee RAWSOLSF1

A remote fire weather station/36.7 mi away/128 ft/41 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Jacksonville 10.0 WSWFL-DV-77

In a volunteer observer's own ground/1.6 mi away/83 ft/4 ft below here

precip, snowfall, snow depth

Forestry ServiceJACF1

At a cooperative observer's station/2.7 mi away/92 ft/5 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Florida

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

Near Herlong Airport

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

Near Herlong Airport