Maquoketa, Iowa · field elev 774 ft
Density Altitude at Maquoketa Municipal (KOQW)
Maquoketa Municipal sits at 774 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,451 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 | 19.0 | −1,776 ft | 26.7 | −1,225 ft |
| February | 23.1 | −1,481 ft | 31.2 | −908 ft |
| March | 35.5 | −608 ft | 44.5 | 8 ft |
| April | 47.8 | 231 ft | 58.6 | 947 ft |
| May | 59.8 | 1,026 ft | 70.3 | 1,703 ft |
| June | 69.6 | 1,658 ft | 79.4 | 2,277 ft |
| July | 72.5 | 1,843 ft | 82.2 | 2,451 ft |
| August | 70.6 | 1,722 ft | 80.6 | 2,351 ft |
| September | 63.2 | 1,247 ft | 74.8 | 1,988 ft |
| October | 50.7 | 425 ft | 61.7 | 1,150 ft |
| November | 37.2 | −491 ft | 46.1 | 116 ft |
| December | 25.3 | −1,324 ft | 32.5 | −817 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 KOQW
DENSITY ALTITUDE
Field elevation 774 ft — the air behaves like 2,438 ft.
- PRESSURE ALT
- 775 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 Iowa fields
- KDBQ — Dubuque Regional
Dubuque · elev 1,076 ft
- KMXO — Monticello Regional
Monticello · elev 833 ft
- KCWI — Clinton Municipal
Clinton · elev 708 ft
- 8C4 — Mathews Meml
Tipton · elev 840 ft
- KDVN — Davenport Municipal
Davenport · elev 751 ft
- IA8 — Dyersville Area
Dyersville · elev 980 ft
- C17 — Marion
Marion · elev 861 ft
- C27 — Manchester Municipal
Manchester · elev 987 ft
Frequently asked questions
How high does density altitude get at KOQW in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Maquoketa Municipal reaches roughly 2,451 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 KOQW on an average day?
It swings with the seasons: from roughly −1,776 ft at the coldest month's average temperature to about 1,843 ft at the warmest month's — all from a constant field elevation of 774 ft. The month-by-month table above carries the full year.
What is the field elevation of Maquoketa Municipal?
774 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOQW (ICAO) / OQW (FAA), in Maquoketa, Iowa.