Emigrant Gap, California · field elev 5,284 ft
Density Altitude at Blue Canyon - Nyack (KBLU)
From a field elevation of 5,284 ft, a typical July afternoon at Blue Canyon - Nyack (78 °F) raises density altitude to about 7,673 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 40.4 | 5,319 ft | 46.5 | 5,718 ft ▲ |
| February | 39.0 | 5,227 ft | 45.0 | 5,620 ft ▲ |
| March | 41.5 | 5,391 ft | 48.2 | 5,828 ft ▲ |
| April | 44.8 | 5,607 ft | 52.0 | 6,072 ft ▲ |
| May | 53.1 | 6,142 ft | 60.6 | 6,616 ft ▲ |
| June | 62.1 | 6,710 ft | 69.8 | 7,187 ft ▲ |
| July | 70.2 | 7,211 ft | 77.8 | 7,673 ft ▲ |
| August | 69.8 | 7,187 ft | 77.4 | 7,649 ft ▲ |
| September | 65.1 | 6,897 ft | 72.9 | 7,376 ft ▲ |
| October | 55.5 | 6,295 ft | 62.9 | 6,760 ft ▲ |
| November | 45.1 | 5,627 ft | 51.2 | 6,021 ft ▲ |
| December | 39.2 | 5,240 ft | 44.8 | 5,607 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 KBLU
DENSITY ALTITUDE caution
Field elevation 5,284 ft — the air behaves like 7,685 ft.
- PRESSURE ALT
- 5,286 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 California fields
- KGOO — Nevada County
Grass Valley · elev 3,158 ft
- E36 — Georgetown
Georgetown · elev 2,625 ft
- O79 — Sierraville Dearwater
Sierraville · elev 4,990 ft
- KAUN — Auburn Municipal
Auburn · elev 1,538 ft
- KTRK — Truckee-Tahoe
Truckee · elev 5,904 ft
- KPVF — Placerville
Placerville · elev 2,586 ft
- O02 — Nervino
Beckwourth · elev 4,900 ft
- KLHM — Lincoln Regional/Karl Harder Field
Lincoln · elev 121 ft
Frequently asked questions
How high does density altitude get at KBLU in summer?
On a typical July afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Blue Canyon - Nyack reaches roughly 7,673 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 KBLU on an average day?
It swings with the seasons: from roughly 5,227 ft at the coldest month's average temperature to about 7,211 ft at the warmest month's — all from a constant field elevation of 5,284 ft. The month-by-month table above carries the full year.
What is the field elevation of Blue Canyon - Nyack?
5,284 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBLU (ICAO) / BLU (FAA), in Emigrant Gap, California.