Table 2 Annual descriptive statistics for PM2.5 and NO2.

From: Spatiotemporal distribution, trend, forecast, and influencing factors of transboundary and local air pollutants in Nagasaki Prefecture, Japan

 

PM2.5

NO2

Year

Minimum

Maximum

Mean

Minimum

Maximum

Mean

2013

6

24

12.6

2

26

6.3

2014

11

24

16.2

1

21

6.3

2015

8

19

13.7

2

21

6.1

2016

11

21

14

2

20

5.8

2017

10

19

12.9

2

20

6

2018

7

19

11.8

2

19

5.6

2019

8

18

11.8

0

18

5.8

2020

8

14

10.4

1

17

4.7

2021

7

14

9.7

1

15

4.4

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