Table 1 Statistical overview of MDA8 O3 concentration over June-July-August 2015, 2016, and 2017 for all rural background stations located below 1000 m above sea level over Europe

From: National and transboundary contributions to surface ozone concentration across European countries

Year

MB (ppb)

NMB (%)

ME (ppb)

NME (%)

r

N

MO (ppb)

MM (ppb)

2015

−0.78

−1.60

8.27

16.37

0.71

41278

50.53

49.75

2016

2.27

5.10

7.16

16.11

0.72

41771

44.42

46.69

2017

0.47

1.00

7.04

15.17

0.73

42126

46.42

46.88

Mean 3 years

0.65

1.50

7.49

15.88

0.72

41725

47.12

47.77

  1. The metrics are mean bias (MB), normalized mean bias (NMB), mean error (ME), normalized mean error (NME), and correlation coefficient (r). Also shown are the number of observations (N), the mean of the observations (MO), and the modeled mean (MM).
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