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Table 4 Overall air quality modeling performance for O3 and PM2.5

From: Air quality and health impacts of the 2020 wildfires in California

 

Mean observed

Mean modeled

Mean bias

Mean normalized bias

Mean normalized error

Daily max 8h O3

52.2 ppb

58.2 ppb

6.0 ppb

22.3%

29.2%

Daily PM2.5

28.0 μg/m3

18.5 μg/m3

−9.5 μg/m3

−17.0%

54.4%