Photochemical age of air pollutants, ozone, and secondary organic aerosol in  transboundary air observed on Fukue Island, Nagasaki, Japan

Irei, Satoshi; Takami, Akinori; Sadanaga, Yasuhiro; Nozoe, Susumu; Yonemura, Seiichiro; Bandow, Hiroshi; Yokouchi, Yoko

doi:10.5194/acp-16-4555-2016

Articles | Volume 16, issue 7

https://doi.org/10.5194/acp-16-4555-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-4555-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 7

Research article

|

13 Apr 2016

Research article |

| 13 Apr 2016

Photochemical age of air pollutants, ozone, and secondary organic aerosol in transboundary air observed on Fukue Island, Nagasaki, Japan

Satoshi Irei, Akinori Takami, Yasuhiro Sadanaga, Susumu Nozoe, Seiichiro Yonemura, Hiroshi Bandow, and Yoko Yokouchi

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Views and downloads (calculated since 15 Jan 2016)

Month	HTML	PDF	XML	Total
Jan 2016	101	51	3	155
Feb 2016	60	12	2	74
Mar 2016	33	13	1	47
Apr 2016	174	72	3	249
May 2016	32	21	2	55
Jun 2016	15	8	1	24
Jul 2016	8	6	2	16
Aug 2016	8	6	0	14
Sep 2016	18	14	1	33
Oct 2016	11	4	1	16
Nov 2016	3	1	0	4
Dec 2016	3	1	1	5
Jan 2017	15	6	1	22
Feb 2017	16	8	2	26
Mar 2017	20	20	2	42
Apr 2017	20	22	2	44
May 2017	20	13	2	35
Jun 2017	20	6	3	29
Jul 2017	12	3	0	15
Aug 2017	15	13	1	29
Sep 2017	10	5	0	15
Oct 2017	7	7	0	14
Nov 2017	13	12	0	25
Dec 2017	5	7	0	12
Jan 2018	7	5	0	12
Feb 2018	11	5	1	17
Mar 2018	14	6	1	21
Apr 2018	10	6	0	16
May 2018	13	10	1	24
Jun 2018	6	8	4	18
Jul 2018	5	4	0	9
Aug 2018	14	10	0	24
Sep 2018	8	11	1	20
Oct 2018	13	12	1	26
Nov 2018	9	10	0	19
Dec 2018	7	6	1	14
Jan 2019	3	7	1	11
Feb 2019	9	4	0	13
Mar 2019	9	8	0	17
Apr 2019	5	7	0	12
May 2019	10	5	0	15
Jun 2019	11	9	0	20
Jul 2019	17	10	2	29
Aug 2019	9	4	0	13
Sep 2019	10	7	0	17
Oct 2019	12	10	3	25
Nov 2019	6	1	0	7
Dec 2019	15	3	0	18
Jan 2020	49	10	1	60
Feb 2020	38	10	4	52
Mar 2020	22	7	14	43
Apr 2020	7	8	4	19
May 2020	7	10	0	17
Jun 2020	19	15	1	35
Jul 2020	18	17	5	40
Aug 2020	15	8	2	25
Sep 2020	9	11	2	22
Oct 2020	11	6	0	17
Nov 2020	8	11	1	20
Dec 2020	7	10	0	17
Jan 2021	21	9	0	30
Feb 2021	7	7	0	14
Mar 2021	16	7	1	24
Apr 2021	15	8	1	24
May 2021	9	12	1	22
Jun 2021	10	8	1	19
Jul 2021	15	9	0	24
Aug 2021	14	6	0	20
Sep 2021	18	13	1	32
Oct 2021	6	32	0	38
Nov 2021	16	29	2	47
Dec 2021	22	13	2	37
Jan 2022	12	21	2	35
Feb 2022	10	4	1	15
Mar 2022	17	6	0	23
Apr 2022	5	7	1	13
May 2022	6	6	0	12
Jun 2022	6	8	0	14
Jul 2022	2	5	0	7
Aug 2022	13	9	0	22
Sep 2022	8	10	0	18
Oct 2022	12	6	2	20
Nov 2022	18	11	0	29
Dec 2022	14	6	1	21
Jan 2023	11	14	0	25
Feb 2023	18	10	1	29
Mar 2023	18	14	1	33
Apr 2023	7	15	0	22
May 2023	39	10	0	49
Jun 2023	42	10	2	54
Jul 2023	39	7	1	47
Aug 2023	36	8	4	48
Sep 2023	39	6	0	45
Oct 2023	40	7	2	49
Nov 2023	31	4	0	35
Dec 2023	39	3	1	43
Jan 2024	41	9	1	51
Feb 2024	45	19	0	64
Mar 2024	46	30	1	77
Apr 2024	39	19	3	61
May 2024	15	20	2	37
Jun 2024	15	28	2	45
Jul 2024	16	7	3	26
Aug 2024	22	7	5	34
Sep 2024	8	4	0	12
Oct 2024	15	6	0	21
Nov 2024	18	6	5	29
Dec 2024	16	5	1	22
Jan 2025	38	9	0	47
Feb 2025	36	13	5	54
Mar 2025	24	12	5	41
Apr 2025	21	16	0	37
May 2025	16	12	1	29
Jun 2025	45	9	2	56
Jul 2025	32	11	1	44
Aug 2025	17	15	2	34
Sep 2025	23	13	1	37
Oct 2025	8	24	0	32
Nov 2025	18	19	5	42

Cumulative views and downloads (calculated since 15 Jan 2016)

Month	HTML	PDF	XML	Total
Jan 2016	101	51	3	155
Feb 2016	60	12	2	74
Mar 2016	33	13	1	47
Apr 2016	174	72	3	249
May 2016	32	21	2	55
Jun 2016	15	8	1	24
Jul 2016	8	6	2	16
Aug 2016	8	6	0	14
Sep 2016	18	14	1	33
Oct 2016	11	4	1	16
Nov 2016	3	1	0	4
Dec 2016	3	1	1	5
Jan 2017	15	6	1	22
Feb 2017	16	8	2	26
Mar 2017	20	20	2	42
Apr 2017	20	22	2	44
May 2017	20	13	2	35
Jun 2017	20	6	3	29
Jul 2017	12	3	0	15
Aug 2017	15	13	1	29
Sep 2017	10	5	0	15
Oct 2017	7	7	0	14
Nov 2017	13	12	0	25
Dec 2017	5	7	0	12
Jan 2018	7	5	0	12
Feb 2018	11	5	1	17
Mar 2018	14	6	1	21
Apr 2018	10	6	0	16
May 2018	13	10	1	24
Jun 2018	6	8	4	18
Jul 2018	5	4	0	9
Aug 2018	14	10	0	24
Sep 2018	8	11	1	20
Oct 2018	13	12	1	26
Nov 2018	9	10	0	19
Dec 2018	7	6	1	14
Jan 2019	3	7	1	11
Feb 2019	9	4	0	13
Mar 2019	9	8	0	17
Apr 2019	5	7	0	12
May 2019	10	5	0	15
Jun 2019	11	9	0	20
Jul 2019	17	10	2	29
Aug 2019	9	4	0	13
Sep 2019	10	7	0	17
Oct 2019	12	10	3	25
Nov 2019	6	1	0	7
Dec 2019	15	3	0	18
Jan 2020	49	10	1	60
Feb 2020	38	10	4	52
Mar 2020	22	7	14	43
Apr 2020	7	8	4	19
May 2020	7	10	0	17
Jun 2020	19	15	1	35
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Sep 2020	9	11	2	22
Oct 2020	11	6	0	17
Nov 2020	8	11	1	20
Dec 2020	7	10	0	17
Jan 2021	21	9	0	30
Feb 2021	7	7	0	14
Mar 2021	16	7	1	24
Apr 2021	15	8	1	24
May 2021	9	12	1	22
Jun 2021	10	8	1	19
Jul 2021	15	9	0	24
Aug 2021	14	6	0	20
Sep 2021	18	13	1	32
Oct 2021	6	32	0	38
Nov 2021	16	29	2	47
Dec 2021	22	13	2	37
Jan 2022	12	21	2	35
Feb 2022	10	4	1	15
Mar 2022	17	6	0	23
Apr 2022	5	7	1	13
May 2022	6	6	0	12
Jun 2022	6	8	0	14
Jul 2022	2	5	0	7
Aug 2022	13	9	0	22
Sep 2022	8	10	0	18
Oct 2022	12	6	2	20
Nov 2022	18	11	0	29
Dec 2022	14	6	1	21
Jan 2023	11	14	0	25
Feb 2023	18	10	1	29
Mar 2023	18	14	1	33
Apr 2023	7	15	0	22
May 2023	39	10	0	49
Jun 2023	42	10	2	54
Jul 2023	39	7	1	47
Aug 2023	36	8	4	48
Sep 2023	39	6	0	45
Oct 2023	40	7	2	49
Nov 2023	31	4	0	35
Dec 2023	39	3	1	43
Jan 2024	41	9	1	51
Feb 2024	45	19	0	64
Mar 2024	46	30	1	77
Apr 2024	39	19	3	61
May 2024	15	20	2	37
Jun 2024	15	28	2	45
Jul 2024	16	7	3	26
Aug 2024	22	7	5	34
Sep 2024	8	4	0	12
Oct 2024	15	6	0	21
Nov 2024	18	6	5	29
Dec 2024	16	5	1	22
Jan 2025	38	9	0	47
Feb 2025	36	13	5	54
Mar 2025	24	12	5	41
Apr 2025	21	16	0	37
May 2025	16	12	1	29
Jun 2025	45	9	2	56
Jul 2025	32	11	1	44
Aug 2025	17	15	2	34
Sep 2025	23	13	1	37
Oct 2025	8	24	0	32
Nov 2025	18	19	5	42

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Short summary

Field measurements for trace-level chemical species in the gas and particulate phases were conducted at a rural site in westernmost Japan to better understand formation of secondary pollutants in transboundary air. A comparison of photochemical ages estimated by chemical clock with ozone concentrations or fractions of carboxylate in organic aerosol showed proportional relationships, and their slopes were 3.48 × 10⁻⁷ ppbv molecule⁻¹ cm³ h⁻¹ and 1.05 × 10⁻⁹ molecule⁻¹ cm³ h⁻¹, respectively.