Linden, New Jersey · field elev 22 ft

Density Altitude at Linden (KLDJ)

Linden sits at 22 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 1,824 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈1,824 ft station: NEWARK INTL AP · 6 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at NEWARK INTL AP (6 mi from the field) · standard pressure, dry air
Month Avg temp °F DA at avg temp Afternoon high °F DA on a typical afternoon
January 32.8 −1,736 ft 40.0 −1,235 ft
February 35.1 −1,575 ft 43.0 −1,029 ft
March 42.5 −1,063 ft 50.9 −493 ft
April 53.3 −333 ft 62.6 281 ft
May 63.3 327 ft 72.6 927 ft
June 72.7 933 ft 81.8 1,507 ft
July 78.2 1,281 ft 86.9 1,824 ft
August 76.4 1,168 ft 84.7 1,688 ft
September 69.2 709 ft 77.7 1,250 ft
October 57.5 −54 ft 66.0 502 ft
November 47.0 −756 ft 54.9 −226 ft
December 38.0 −1,373 ft 44.8 −906 ft

▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.

Run today’s numbers for KLDJ

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 1,830 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 1,830 ft

Field elevation 22 ft — the air behaves like 1,830 ft.

PRESSURE ALT
23 ft
ISA DEVIATION
RULE-OF-THUMB DA
AIR DENSITY INDEX
AIR DENSITY
WATER · GRAINS/LB

For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment

Nearby New Jersey fields

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Frequently asked questions

How high does density altitude get at KLDJ in summer?

On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Linden reaches roughly 1,824 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.

What is the density altitude at KLDJ on an average day?

It swings with the seasons: from roughly −1,736 ft at the coldest month's average temperature to about 1,281 ft at the warmest month's — all from a constant field elevation of 22 ft. The month-by-month table above carries the full year.

What is the field elevation of Linden?

22 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLDJ (ICAO) / LDJ (FAA), in Linden, New Jersey.