Macomb, Illinois · field elev 706 ft
Density Altitude at Macomb Municipal (KMQB)
Macomb Municipal sits at 706 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,584 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 | 24.4 | −1,473 ft | 32.7 | −888 ft |
| February | 28.5 | −1,183 ft | 37.9 | −527 ft |
| March | 39.6 | −410 ft | 50.5 | 328 ft |
| April | 51.7 | 408 ft | 63.6 | 1,189 ft |
| May | 62.9 | 1,144 ft | 73.8 | 1,842 ft |
| June | 72.0 | 1,728 ft | 82.4 | 2,380 ft |
| July | 75.1 | 1,924 ft | 85.7 | 2,584 ft |
| August | 73.0 | 1,791 ft | 83.5 | 2,448 ft |
| September | 66.4 | 1,370 ft | 78.0 | 2,106 ft |
| October | 54.5 | 593 ft | 66.0 | 1,344 ft |
| November | 40.5 | −349 ft | 50.2 | 307 ft |
| December | 29.9 | −1,084 ft | 38.1 | −514 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 KMQB
DENSITY ALTITUDE
Field elevation 706 ft — the air behaves like 2,602 ft.
- PRESSURE ALT
- 707 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 Illinois fields
- 5K4 — Schuy-Rush
Rushville · elev 665 ft
- C66 — Monmouth Municipal
Monmouth · elev 753 ft
- KCTK — Ingersoll
Canton · elev 684 ft
- KGBG — Harrel W Timmons Galesburg Regional
Galesburg · elev 764 ft
- 2C6 — Tri-County
Yates City · elev 661 ft
- I63 — Mount Sterling Municipal
Mount Sterling · elev 734 ft
- 9I0 — Havana Regional
Havana · elev 488 ft
- K06 — Greater Beardstown
Beardstown · elev 465 ft
Frequently asked questions
How high does density altitude get at KMQB in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Macomb Municipal reaches roughly 2,584 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 KMQB on an average day?
It swings with the seasons: from roughly −1,473 ft at the coldest month's average temperature to about 1,924 ft at the warmest month's — all from a constant field elevation of 706 ft. The month-by-month table above carries the full year.
What is the field elevation of Macomb Municipal?
706 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMQB (ICAO) / MQB (FAA), in Macomb, Illinois.