Pontiac, Michigan · field elev 981 ft
Density Altitude at Oakland County International (KPTK)
Oakland County International sits at 981 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,703 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 | 23.5 | −1,193 ft | 30.4 | −705 ft |
| February | 25.5 | −1,051 ft | 33.2 | −510 ft |
| March | 34.5 | −420 ft | 43.2 | 177 ft |
| April | 46.5 | 400 ft | 56.7 | 1,078 ft |
| May | 58.3 | 1,183 ft | 68.9 | 1,868 ft |
| June | 68.0 | 1,810 ft | 78.4 | 2,467 ft |
| July | 72.2 | 2,078 ft | 82.2 | 2,703 ft |
| August | 70.6 | 1,976 ft | 80.0 | 2,567 ft |
| September | 62.8 | 1,476 ft | 72.7 | 2,109 ft |
| October | 50.9 | 695 ft | 60.0 | 1,294 ft |
| November | 39.0 | −109 ft | 46.2 | 380 ft |
| December | 28.9 | −811 ft | 34.9 | −392 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 KPTK
DENSITY ALTITUDE
Field elevation 981 ft — the air behaves like 2,691 ft.
- PRESSURE ALT
- 982 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
- KVLL — Oakland/Troy
Troy · elev 727 ft
- Y47 — Oakland Southwest
New Hudson · elev 926 ft
- 45G — Brighton
Brighton · elev 973 ft
- 9G2 — Prices
Linden · elev 919 ft
- 1D2 — Canton-Plymouth-Mettetal
Plymouth · elev 696 ft
- D98 — Romeo State
Romeo · elev 738 ft
- KFNT — Bishop International
Flint · elev 782 ft
- KDET — Coleman A Young Municipal
Detroit · elev 624 ft
Frequently asked questions
How high does density altitude get at KPTK in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Oakland County International reaches roughly 2,703 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 KPTK on an average day?
It swings with the seasons: from roughly −1,193 ft at the coldest month's average temperature to about 2,078 ft at the warmest month's — all from a constant field elevation of 981 ft. The month-by-month table above carries the full year.
What is the field elevation of Oakland County International?
981 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPTK (ICAO) / PTK (FAA), in Pontiac, Michigan.