Pekin, Illinois · field elev 530 ft
Density Altitude at Pekin Municipal (C15)
Pekin Municipal sits at 530 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,406 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 | 25.6 | −1,609 ft | 33.6 | −1,045 ft |
| February | 30.0 | −1,297 ft | 38.7 | −691 ft |
| March | 41.4 | −506 ft | 51.2 | 156 ft |
| April | 52.9 | 270 ft | 63.7 | 979 ft |
| May | 63.5 | 966 ft | 74.2 | 1,651 ft |
| June | 72.8 | 1,563 ft | 83.2 | 2,215 ft |
| July | 76.3 | 1,784 ft | 86.3 | 2,406 ft |
| August | 74.5 | 1,670 ft | 84.6 | 2,301 ft |
| September | 67.4 | 1,218 ft | 78.4 | 1,916 ft |
| October | 54.9 | 402 ft | 65.4 | 1,089 ft |
| November | 41.9 | −472 ft | 50.8 | 130 ft |
| December | 30.9 | −1,234 ft | 38.5 | −705 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 C15
DENSITY ALTITUDE
Field elevation 530 ft — the air behaves like 2,388 ft.
- PRESSURE ALT
- 531 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
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- KCTK — Ingersoll
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- 9I0 — Havana Regional
Havana · elev 488 ft
- 2C6 — Tri-County
Yates City · elev 661 ft
- KAAA — Logan County
Lincoln · elev 594 ft
- C75 — Marshall County
Lacon · elev 585 ft
- KBMI — Central Il Regional/Bloomington-Normal
Bloomington/Normal · elev 871 ft
Frequently asked questions
How high does density altitude get at C15 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Pekin Municipal reaches roughly 2,406 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 C15 on an average day?
It swings with the seasons: from roughly −1,609 ft at the coldest month's average temperature to about 1,784 ft at the warmest month's — all from a constant field elevation of 530 ft. The month-by-month table above carries the full year.
What is the field elevation of Pekin Municipal?
530 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C15 (FAA), in Pekin, Illinois.