The Mariners will be the home team for all three games, meaning the Padres could be in position to clinch their first playoff berth since 2006 while playing as visitors in their home ballpark.
The West Coast wildfires have caused air-quality problems in the Seattle area this week.
A two-game Giants-Mariners series scheduled for earlier this week in Seattle was postponed and moved to San Francisco, with the teams finishing it Thursday. That decision came after some players complained about smoky conditions Monday after the Mariners split a doubleheader with the Oakland Athletics.
With the move, the Mariners have three home games remaining on their schedule beginning next Monday against Houston.
Seattle manager Scott Servais said the team learned of the change around 11:15 a.m. PT, about two hours before first pitch against San…