SBPA pressure (QNH) trend
Porto Alegre-Salgado Filho International Airport
The altimeter setting over time. Sharp falls mark approaching systems; the range tells you what to expect on a transition altitude.
Lowest QNH
999 hPa
Sep 21, 2026
Highest QNH
1029 hPa
Sep 13, 2026
Mean QNH
1016 hPa
631 archived observations · Archive updated continuously
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