Troy, Michigan · field elev 727 ft
Density Altitude at Oakland/Troy (KVLL)
Oakland/Troy sits at 727 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,437 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 23.0 | −1,547 ft | 30.4 | −1,023 ft |
| February | 24.7 | −1,426 ft | 33.7 | −792 ft |
| March | 33.8 | −785 ft | 43.6 | −111 ft |
| April | 45.4 | 11 ft | 56.7 | 765 ft |
| May | 57.1 | 791 ft | 68.5 | 1,530 ft |
| June | 67.2 | 1,447 ft | 78.4 | 2,157 ft |
| July | 71.4 | 1,715 ft | 82.9 | 2,437 ft |
| August | 69.8 | 1,613 ft | 80.7 | 2,300 ft |
| September | 62.2 | 1,124 ft | 73.5 | 1,848 ft |
| October | 50.1 | 327 ft | 60.3 | 1,000 ft |
| November | 38.2 | −481 ft | 46.7 | 99 ft |
| December | 28.6 | −1,149 ft | 35.4 | −674 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 KVLL
DENSITY ALTITUDE
Field elevation 727 ft — the air behaves like 2,443 ft.
- PRESSURE ALT
- 728 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 Michigan fields
- KDET — Coleman A Young Municipal
Detroit · elev 624 ft
- KPTK — Oakland County International
Pontiac · elev 981 ft
- 1D2 — Canton-Plymouth-Mettetal
Plymouth · elev 696 ft
- 57D — Ray Community
Ray · elev 632 ft
- D98 — Romeo State
Romeo · elev 738 ft
- Y47 — Oakland Southwest
New Hudson · elev 926 ft
- KDTW — Detroit Metro Wayne County
Detroit · elev 645 ft
- KYIP — Willow Run
Detroit · elev 716 ft
Frequently asked questions
How high does density altitude get at KVLL in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Oakland/Troy reaches roughly 2,437 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 KVLL on an average day?
It swings with the seasons: from roughly −1,547 ft at the coldest month's average temperature to about 1,715 ft at the warmest month's — all from a constant field elevation of 727 ft. The month-by-month table above carries the full year.
What is the field elevation of Oakland/Troy?
727 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KVLL (ICAO) / VLL (FAA), in Troy, Michigan.