Effects of emission reductions on organic aerosol in the southeastern United  States

Blanchard, C. L.; Hidy, G. M.; Shaw, S.; Baumann, K.; Edgerton, E. S.

doi:10.5194/acp-16-215-2016

Articles | Volume 16, issue 1

https://doi.org/10.5194/acp-16-215-2016

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

https://doi.org/10.5194/acp-16-215-2016

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

Articles | Volume 16, issue 1

Research article

|

18 Jan 2016

Research article |

| 18 Jan 2016

Effects of emission reductions on organic aerosol in the southeastern United States

C. L. Blanchard, G. M. Hidy, S. Shaw, K. Baumann, and E. S. Edgerton

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Total article views: 3,980 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	Supplement	BibTeX	EndNote
2,226	1,516	238	3,980	495	121	188

HTML: 2,226
PDF: 1,516
XML: 238
Total: 3,980
Supplement: 495
BibTeX: 121
EndNote: 188

Views and downloads (calculated since 22 Jun 2015)

Month	HTML	PDF	XML	Total
Jun 2015	104	111	21	236
Jul 2015	51	98	8	157
Aug 2015	11	47	3	61
Sep 2015	7	37	48	92
Oct 2015	17	34	19	70
Nov 2015	22	16	5	43
Dec 2015	8	10	6	24
Jan 2016	128	60	12	200
Feb 2016	70	30	3	103
Mar 2016	35	18	0	53
Apr 2016	14	9	3	26
May 2016	18	8	3	29
Jun 2016	10	4	3	17
Jul 2016	14	8	2	24
Aug 2016	14	9	2	25
Sep 2016	12	2	0	14
Oct 2016	13	2	3	18
Nov 2016	5	2	1	8
Dec 2016	4	4	0	8
Jan 2017	15	4	0	19
Feb 2017	15	5	0	20
Mar 2017	23	11	1	35
Apr 2017	22	15	0	37
May 2017	27	19	0	46
Jun 2017	26	3	4	33
Jul 2017	25	11	1	37
Aug 2017	12	57	0	69
Sep 2017	10	8	0	18
Oct 2017	8	11	0	19
Nov 2017	12	7	0	19
Dec 2017	14	10	1	25
Jan 2018	12	12	1	25
Feb 2018	7	7	0	14
Mar 2018	10	11	0	21
Apr 2018	6	8	1	15
May 2018	12	11	1	24
Jun 2018	10	12	1	23
Jul 2018	5	9	0	14
Aug 2018	17	6	0	23
Sep 2018	9	11	2	22
Oct 2018	19	9	3	31
Nov 2018	11	9	0	20
Dec 2018	4	6	0	10
Jan 2019	3	8	0	11
Feb 2019	4	3	0	7
Mar 2019	9	6	0	15
Apr 2019	6	8	0	14
May 2019	10	5	1	16
Jun 2019	9	5	0	14
Jul 2019	8	4	0	12
Aug 2019	4	7	0	11
Sep 2019	9	3	0	12
Oct 2019	8	3	1	12
Nov 2019	4	3	1	8
Dec 2019	5	4	0	9
Jan 2020	15	9	0	24
Feb 2020	8	1	0	9
Mar 2020	7	1	1	9
Apr 2020	6	3	0	9
May 2020	8	8	0	16
Jun 2020	22	7	0	29
Jul 2020	18	12	5	35
Aug 2020	9	2	2	13
Sep 2020	12	9	1	22
Oct 2020	8	7	0	15
Nov 2020	3	6	1	10
Dec 2020	10	7	1	18
Jan 2021	14	5	0	19
Feb 2021	7	5	0	12
Mar 2021	3	4	0	7
Apr 2021	12	7	0	19
May 2021	6	3	1	10
Jun 2021	7	2	0	9
Jul 2021	7	10	0	17
Aug 2021	5	6	1	12
Sep 2021	10	10	0	20
Oct 2021	7	36	1	44
Nov 2021	7	24	0	31
Dec 2021	17	8	0	25
Jan 2022	10	8	0	18
Feb 2022	9	7	0	16
Mar 2022	9	5	0	14
Apr 2022	15	4	1	20
May 2022	5	6	0	11
Jun 2022	14	2	0	16
Jul 2022	5	6	0	11
Aug 2022	10	5	1	16
Sep 2022	6	3	0	9
Oct 2022	12	7	1	20
Nov 2022	15	4	0	19
Dec 2022	7	7	1	15
Jan 2023	10	12	0	22
Feb 2023	13	6	0	19
Mar 2023	12	6	0	18
Apr 2023	6	1	0	7
May 2023	34	10	2	46
Jun 2023	38	4	1	43
Jul 2023	40	7	1	48
Aug 2023	39	11	1	51
Sep 2023	38	29	0	67
Oct 2023	50	38	1	89
Nov 2023	26	18	1	45
Dec 2023	38	7	1	46
Jan 2024	40	6	0	46
Feb 2024	40	10	0	50
Mar 2024	47	18	5	70
Apr 2024	42	7	2	51
May 2024	20	22	5	47
Jun 2024	14	11	3	28
Jul 2024	18	10	3	31
Aug 2024	25	15	2	42
Sep 2024	19	6	0	25
Oct 2024	20	10	0	30
Nov 2024	13	8	6	27
Dec 2024	14	10	1	25
Jan 2025	17	9	3	29
Feb 2025	28	11	4	43
Mar 2025	24	11	6	41
Apr 2025	16	8	0	24
May 2025	19	4	2	25
Jun 2025	38	14	1	53
Jul 2025	33	19	0	52
Aug 2025	28	12	2	42
Sep 2025	22	14	4	40
Oct 2025	20	22	0	42
Nov 2025	13	14	2	29

Cumulative views and downloads (calculated since 22 Jun 2015)

Month	HTML	PDF	XML	Total
Jun 2015	104	111	21	236
Jul 2015	51	98	8	157
Aug 2015	11	47	3	61
Sep 2015	7	37	48	92
Oct 2015	17	34	19	70
Nov 2015	22	16	5	43
Dec 2015	8	10	6	24
Jan 2016	128	60	12	200
Feb 2016	70	30	3	103
Mar 2016	35	18	0	53
Apr 2016	14	9	3	26
May 2016	18	8	3	29
Jun 2016	10	4	3	17
Jul 2016	14	8	2	24
Aug 2016	14	9	2	25
Sep 2016	12	2	0	14
Oct 2016	13	2	3	18
Nov 2016	5	2	1	8
Dec 2016	4	4	0	8
Jan 2017	15	4	0	19
Feb 2017	15	5	0	20
Mar 2017	23	11	1	35
Apr 2017	22	15	0	37
May 2017	27	19	0	46
Jun 2017	26	3	4	33
Jul 2017	25	11	1	37
Aug 2017	12	57	0	69
Sep 2017	10	8	0	18
Oct 2017	8	11	0	19
Nov 2017	12	7	0	19
Dec 2017	14	10	1	25
Jan 2018	12	12	1	25
Feb 2018	7	7	0	14
Mar 2018	10	11	0	21
Apr 2018	6	8	1	15
May 2018	12	11	1	24
Jun 2018	10	12	1	23
Jul 2018	5	9	0	14
Aug 2018	17	6	0	23
Sep 2018	9	11	2	22
Oct 2018	19	9	3	31
Nov 2018	11	9	0	20
Dec 2018	4	6	0	10
Jan 2019	3	8	0	11
Feb 2019	4	3	0	7
Mar 2019	9	6	0	15
Apr 2019	6	8	0	14
May 2019	10	5	1	16
Jun 2019	9	5	0	14
Jul 2019	8	4	0	12
Aug 2019	4	7	0	11
Sep 2019	9	3	0	12
Oct 2019	8	3	1	12
Nov 2019	4	3	1	8
Dec 2019	5	4	0	9
Jan 2020	15	9	0	24
Feb 2020	8	1	0	9
Mar 2020	7	1	1	9
Apr 2020	6	3	0	9
May 2020	8	8	0	16
Jun 2020	22	7	0	29
Jul 2020	18	12	5	35
Aug 2020	9	2	2	13
Sep 2020	12	9	1	22
Oct 2020	8	7	0	15
Nov 2020	3	6	1	10
Dec 2020	10	7	1	18
Jan 2021	14	5	0	19
Feb 2021	7	5	0	12
Mar 2021	3	4	0	7
Apr 2021	12	7	0	19
May 2021	6	3	1	10
Jun 2021	7	2	0	9
Jul 2021	7	10	0	17
Aug 2021	5	6	1	12
Sep 2021	10	10	0	20
Oct 2021	7	36	1	44
Nov 2021	7	24	0	31
Dec 2021	17	8	0	25
Jan 2022	10	8	0	18
Feb 2022	9	7	0	16
Mar 2022	9	5	0	14
Apr 2022	15	4	1	20
May 2022	5	6	0	11
Jun 2022	14	2	0	16
Jul 2022	5	6	0	11
Aug 2022	10	5	1	16
Sep 2022	6	3	0	9
Oct 2022	12	7	1	20
Nov 2022	15	4	0	19
Dec 2022	7	7	1	15
Jan 2023	10	12	0	22
Feb 2023	13	6	0	19
Mar 2023	12	6	0	18
Apr 2023	6	1	0	7
May 2023	34	10	2	46
Jun 2023	38	4	1	43
Jul 2023	40	7	1	48
Aug 2023	39	11	1	51
Sep 2023	38	29	0	67
Oct 2023	50	38	1	89
Nov 2023	26	18	1	45
Dec 2023	38	7	1	46
Jan 2024	40	6	0	46
Feb 2024	40	10	0	50
Mar 2024	47	18	5	70
Apr 2024	42	7	2	51
May 2024	20	22	5	47
Jun 2024	14	11	3	28
Jul 2024	18	10	3	31
Aug 2024	25	15	2	42
Sep 2024	19	6	0	25
Oct 2024	20	10	0	30
Nov 2024	13	8	6	27
Dec 2024	14	10	1	25
Jan 2025	17	9	3	29
Feb 2025	28	11	4	43
Mar 2025	24	11	6	41
Apr 2025	16	8	0	24
May 2025	19	4	2	25
Jun 2025	38	14	1	53
Jul 2025	33	19	0	52
Aug 2025	28	12	2	42
Sep 2025	22	14	4	40
Oct 2025	20	22	0	42
Nov 2025	13	14	2	29

Latest update: 18 Nov 2025

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Short summary

Fifteen years of gas and particle measurements at eight monitoring sites comprising the Southeastern Aerosol Research and Characterization (SEARCH) network offer insights into the sources of organic aerosol in the southeastern United States. Between 1999 and 2013, mean organic aerosol concentrations declined due to decreasing particle emissions from motor vehicles and to less secondary organic aerosol with declining emissions of sulfur dioxide, nitrogen oxides, and volatile organic compounds.