Aerosol characterization over the southeastern United States using high-resolution aerosol mass spectrometry: spatial and seasonal variation of aerosol composition and sources with a focus on organic nitrates

Xu, L.; Suresh, S.; Guo, H.; Weber, R. J.; Ng, N. L.

doi:10.5194/acp-15-7307-2015

Articles | Volume 15, issue 13

https://doi.org/10.5194/acp-15-7307-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-7307-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 13

Research article

|

08 Jul 2015

Research article |

| 08 Jul 2015

Aerosol characterization over the southeastern United States using high-resolution aerosol mass spectrometry: spatial and seasonal variation of aerosol composition and sources with a focus on organic nitrates

L. Xu, S. Suresh, H. Guo, R. J. Weber, and N. L. Ng

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Jun 2015	29	59	8	96
Jul 2015	309	299	5	613
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Sep 2015	31	100	1	132
Oct 2015	37	89	1	127
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Dec 2015	31	75	2	108
Jan 2016	46	32	1	79
Feb 2016	49	49	1	99
Mar 2016	46	33	0	79
Apr 2016	20	25	0	45
May 2016	15	19	1	35
Jun 2016	14	11	2	27
Jul 2016	22	18	3	43
Aug 2016	14	16	1	31
Sep 2016	15	7	1	23
Oct 2016	17	17	1	35
Nov 2016	11	9	0	20
Dec 2016	7	8	0	15
Jan 2017	30	22	0	52
Feb 2017	18	14	0	32
Mar 2017	29	20	4	53
Apr 2017	30	32	0	62
May 2017	43	45	1	89
Jun 2017	47	37	2	86
Jul 2017	28	20	3	51
Aug 2017	24	29	0	53
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Oct 2017	16	29	2	47
Nov 2017	10	27	0	37
Dec 2017	17	11	0	28
Jan 2018	27	31	0	58
Feb 2018	26	16	0	42
Mar 2018	24	29	1	54
Apr 2018	19	22	1	42
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Dec 2018	19	21	1	41
Jan 2019	11	18	2	31
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Mar 2019	24	28	0	52
Apr 2019	16	17	0	33
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Nov 2019	11	16	0	27
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Jan 2020	26	9	2	37
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Mar 2023	66	49	3	118
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May 2023	47	30	2	79
Jun 2023	58	27	4	89
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Dec 2023	63	13	0	76
Jan 2024	65	24	1	90
Feb 2024	78	36	2	116
Mar 2024	62	35	2	99
Apr 2024	74	24	6	104
May 2024	126	109	8	243
Jun 2024	40	25	2	67
Jul 2024	56	27	8	91
Aug 2024	52	18	2	72
Sep 2024	49	11	0	60
Oct 2024	69	24	0	93
Nov 2024	53	27	3	83
Dec 2024	42	17	1	60
Jan 2025	45	19	0	64
Feb 2025	121	19	3	143
Mar 2025	59	29	2	90
Apr 2025	81	30	0	111
May 2025	63	18	1	82
Jun 2025	88	29	2	119
Jul 2025	59	28	0	87
Aug 2025	86	14	1	101
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Cumulative views and downloads (calculated since 09 Apr 2015)

Month	HTML	PDF	XML	Total
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May 2015	22	65	4	91
Jun 2015	29	59	8	96
Jul 2015	309	299	5	613
Aug 2015	73	141	4	218
Sep 2015	31	100	1	132
Oct 2015	37	89	1	127
Nov 2015	50	123	5	178
Dec 2015	31	75	2	108
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Feb 2016	49	49	1	99
Mar 2016	46	33	0	79
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May 2016	15	19	1	35
Jun 2016	14	11	2	27
Jul 2016	22	18	3	43
Aug 2016	14	16	1	31
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Oct 2016	17	17	1	35
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May 2023	47	30	2	79
Jun 2023	58	27	4	89
Jul 2023	75	37	1	113
Aug 2023	60	42	6	108
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Jun 2024	40	25	2	67
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Dec 2024	42	17	1	60
Jan 2025	45	19	0	64
Feb 2025	121	19	3	143
Mar 2025	59	29	2	90
Apr 2025	81	30	0	111
May 2025	63	18	1	82
Jun 2025	88	29	2	119
Jul 2025	59	28	0	87
Aug 2025	86	14	1	101
Sep 2025	90	18	1	109
Oct 2025	52	29	2	83
Nov 2025	60	25	5	90

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Short summary

Year-long comprehensive characterization of ambient aerosol was performed in both rural and urban sites in the southeastern US as part of Southeastern Center of Air Pollution and Epidemiology (SCAPE) study and Southeastern Oxidant and Aerosol Study (SOAS). Three independent methods were applied to estimate the concentration of particle-phase organic nitrates. The spatial distribution of organic aerosol is investigated by comparing simultaneous HR-ToF-AMS and ACSM measurements at different sites.