EFMA pressure (QNH) trend
Mariehamn Airport
The altimeter setting over time. Sharp falls mark approaching systems; the range tells you what to expect on a transition altitude.
Lowest QNH
996 hPa
Sep 19, 2026
Highest QNH
1021 hPa
Sep 14, 2026
Mean QNH
1007 hPa
694 archived observations · Archive updated continuously
Advertisement
Sign up to browse without ads →
Advertisement