Mccarthy, Alaska · field elev 1,533 ft
Density Altitude at Mccarthy (PAMX)
Mccarthy sits at 1,533 ft, and even a typical July afternoon (71 °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 | −1.6 | −2,341 ft | 6.0 | −1,771 ft |
| February | 9.7 | −1,498 ft | 20.7 | −700 ft |
| March | 18.2 | −880 ft | 32.9 | 158 ft |
| April | 34.6 | 275 ft | 47.7 | 1,165 ft |
| May | 46.6 | 1,091 ft | 62.2 | 2,116 ft |
| June | 54.3 | 1,602 ft | 69.7 | 2,596 ft |
| July | 57.3 | 1,798 ft | 71.4 | 2,703 ft |
| August | 53.5 | 1,549 ft | 66.8 | 2,411 ft |
| September | 44.3 | 937 ft | 55.5 | 1,681 ft |
| October | 29.4 | −86 ft | 38.6 | 550 ft |
| November | 9.7 | −1,498 ft | 17.3 | −944 ft |
| December | 2.3 | −2,047 ft | 9.2 | −1,535 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 PAMX
DENSITY ALTITUDE
Field elevation 1,533 ft — the air behaves like 2,678 ft.
- PRESSURE ALT
- 1,534 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
- MYK — May Creek
May Creek · elev 1,681 ft
- AK0 — Jakes Bar
Mccarthy · elev 1,074 ft
- KGZ — Glacier Creek
Glacier Creek · elev 2,380 ft
- PAAX — Chitina
Chitina · elev 556 ft
- CZN — Chisana
Chisana · elev 3,348 ft
- 4Z5 — Horsfeld
Horsfeld · elev 3,620 ft
- Z93 — Copper Center 2
Copper Center · elev 1,150 ft
- K55 — Thompson Pass
Valdez · elev 2,080 ft
Frequently asked questions
How high does density altitude get at PAMX in summer?
On a typical July afternoon — around 71 °F at the nearest NOAA normals station — density altitude at Mccarthy 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 PAMX on an average day?
It swings with the seasons: from roughly −2,341 ft at the coldest month's average temperature to about 1,798 ft at the warmest month's — all from a constant field elevation of 1,533 ft. The month-by-month table above carries the full year.
What is the field elevation of Mccarthy?
1,533 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PAMX (ICAO) / 15Z (FAA), in Mccarthy, Alaska.