Altus, Oklahoma · field elev 1,433 ft
Density Altitude at Altus/Quartz Mountain Regional (KAXS)
Altus/Quartz Mountain Regional sits at 1,433 ft, and even a typical July afternoon (97 °F) only lifts density altitude to about 4,164 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 | 39.4 | 480 ft | 53.6 | 1,432 ft |
| February | 43.1 | 732 ft | 57.6 | 1,695 ft |
| March | 52.2 | 1,340 ft | 66.6 | 2,276 ft |
| April | 61.1 | 1,922 ft | 75.9 | 2,864 ft |
| May | 70.9 | 2,549 ft | 84.1 | 3,372 ft |
| June | 80.2 | 3,131 ft | 92.8 | 3,900 ft |
| July | 84.1 | 3,372 ft | 97.2 | 4,164 ft |
| August | 82.8 | 3,292 ft | 95.8 | 4,080 ft |
| September | 74.8 | 2,795 ft | 87.9 | 3,604 ft |
| October | 62.5 | 2,013 ft | 76.4 | 2,895 ft |
| November | 50.7 | 1,241 ft | 64.5 | 2,141 ft |
| December | 40.9 | 582 ft | 54.1 | 1,465 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 KAXS
DENSITY ALTITUDE
Field elevation 1,433 ft — the air behaves like 4,152 ft.
- PRESSURE ALT
- 1,434 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 Oklahoma fields
- F09 — Olustee Municipal
Olustee · elev 1,346 ft
- 2K4 — Scott Field
Mangum · elev 1,644 ft
- 4O1 — Snyder
Snyder · elev 1,325 ft
- 1O8 — Tipton Municipal
Tipton · elev 1,248 ft
- KHBR — Hobart Regional
Hobart · elev 1,563 ft
- KFDR — Frederick Regional
Frederick · elev 1,258 ft
- O35 — Hollis Municipal
Hollis · elev 1,659 ft
- 3O4 — Sayre Municipal
Sayre · elev 1,937 ft
Frequently asked questions
How high does density altitude get at KAXS in summer?
On a typical July afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Altus/Quartz Mountain Regional reaches roughly 4,164 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 KAXS on an average day?
It swings with the seasons: from roughly 480 ft at the coldest month's average temperature to about 3,372 ft at the warmest month's — all from a constant field elevation of 1,433 ft. The month-by-month table above carries the full year.
What is the field elevation of Altus/Quartz Mountain Regional?
1,433 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KAXS (ICAO) / AXS (FAA), in Altus, Oklahoma.