Akiachak, Alaska · field elev 23 ft
Density Altitude at Akiachak (PFZK)
Akiachak sits at 23 ft, and even a typical July afternoon (64 °F) only lifts density altitude to about 348 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 | 6.9 | −3,614 ft | 12.7 | −3,182 ft |
| February | 13.3 | −3,138 ft | 20.1 | −2,640 ft |
| March | 14.5 | −3,049 ft | 22.0 | −2,503 ft |
| April | 29.0 | −2,002 ft | 36.9 | −1,448 ft |
| May | 43.0 | −1,027 ft | 52.0 | −418 ft |
| June | 53.3 | −331 ft | 62.1 | 250 ft |
| July | 56.3 | −132 ft | 63.6 | 348 ft |
| August | 53.9 | −291 ft | 60.5 | 145 ft |
| September | 46.1 | −816 ft | 52.7 | −371 ft |
| October | 32.2 | −1,777 ft | 37.9 | −1,379 ft |
| November | 18.5 | −2,757 ft | 24.3 | −2,337 ft |
| December | 10.0 | −3,382 ft | 16.3 | −2,917 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 PFZK
DENSITY ALTITUDE
Field elevation 23 ft — the air behaves like 374 ft.
- PRESSURE ALT
- 24 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 Alaska fields
- PFKW — Kwethluk
Kwethluk · elev 25 ft
- PFAK — Akiak
Akiak · elev 40 ft
- PABE — Bethel
Bethel · elev 129 ft
- PAPK — Napaskiak
Napaskiak · elev 11 ft
- PANA — Napakiak
Napakiak · elev 17 ft
- PALT — Tuluksak
Tuluksak · elev 36 ft
- PAAB — Atmautluak
Atmautluak · elev 19 ft
- PPIT — Nunapitchuk
Nunapitchuk · elev 22 ft
Frequently asked questions
How high does density altitude get at PFZK in summer?
On a typical July afternoon — around 64 °F at the nearest NOAA normals station — density altitude at Akiachak reaches roughly 348 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 PFZK on an average day?
It swings with the seasons: from roughly −3,614 ft at the coldest month's average temperature to about −132 ft at the warmest month's — all from a constant field elevation of 23 ft. The month-by-month table above carries the full year.
What is the field elevation of Akiachak?
23 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PFZK (ICAO) / Z13 (FAA), in Akiachak, Alaska.