What Is the Light Blue Background on Pokemon GO?
The light blue background on Pokemon GO usually indicates that the Pokemon is weather-boosted. Catch 'em while they're stronger!
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It's just a weather boost. Move along.
The light blue background means the Pokemon is weather-boosted. Boosted Pokemon have higher CP and are tougher to catch!
From my experience, when a Pokemon has a light blue background, it means it's boosted by the current weather. This makes it stronger and gives you more Stardust when caught!
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