Research Article

Potential Impacts of the Introduction of Low-Sulfur Fuel on P M 𝟐 . 𝟓 Concentrations at Breathing Level in a Subarctic City

Figure 3

Difference REF-LSF of monthly averaged 24 h-average PM2.5 concentrations (color) from October to March. The hashed shading indicates significant (95% or higher confidence level) differences. The red polygon indicates the boundaries of the Fairbanks nonattainment area.
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