Chicago, Illinois · field elev 620 ft
Density Altitude at Lansing Municipal (KIGQ)
Lansing Municipal sits at 620 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,368 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 | 23.2 | −1,667 ft | 31.1 | −1,107 ft |
| February | 26.8 | −1,411 ft | 35.2 | −821 ft |
| March | 37.2 | −683 ft | 46.4 | −54 ft |
| April | 48.8 | 107 ft | 59.3 | 803 ft |
| May | 60.0 | 849 ft | 70.6 | 1,533 ft |
| June | 69.5 | 1,463 ft | 80.2 | 2,138 ft |
| July | 73.9 | 1,743 ft | 83.9 | 2,368 ft |
| August | 72.0 | 1,622 ft | 82.0 | 2,250 ft |
| September | 65.2 | 1,187 ft | 75.8 | 1,863 ft |
| October | 52.8 | 374 ft | 63.1 | 1,051 ft |
| November | 39.8 | −504 ft | 48.2 | 67 ft |
| December | 28.9 | −1,262 ft | 36.3 | −745 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 KIGQ
DENSITY ALTITUDE
Field elevation 620 ft — the air behaves like 2,374 ft.
- PRESSURE ALT
- 621 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
- C56 — Bult Field
Monee · elev 790 ft
- KMDW — Chicago Midway International
Chicago · elev 620 ft
- KLOT — Lewis University
Chicago/Romeoville · elev 679 ft
- 1C5 — Bolingbrook'S Clow International
Bolingbrook · elev 675 ft
- KJOT — Joliet Regional
Joliet · elev 582 ft
- KIKK — Greater Kankakee
Kankakee · elev 630 ft
- 3KK — Kankakee
Kankakee · elev 625 ft
- KORD — Chicago O'Hare International
Chicago · elev 680 ft
Frequently asked questions
How high does density altitude get at KIGQ in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Lansing Municipal reaches roughly 2,368 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 KIGQ on an average day?
It swings with the seasons: from roughly −1,667 ft at the coldest month's average temperature to about 1,743 ft at the warmest month's — all from a constant field elevation of 620 ft. The month-by-month table above carries the full year.
What is the field elevation of Lansing Municipal?
620 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIGQ (ICAO) / IGQ (FAA), in Chicago, Illinois.